Home / 2,545,415.40-3,818,123.10-2,420,999.40

Finding the Fourth Proportional to 2,545,415.40, 3,818,123.10 and 2,420,999.40

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Solution

The fourth proportional to 2,545,415.40, 3,818,123.10 and 2,420,999.40 is: 3,631,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,415.40 : 3,818,123.10 = 2,420,999.40 : x
  2. Step 2: Convert to fraction form
    2,545,415.40/3,818,123.10 = 2,420,999.40/x
  3. Step 3: Cross multiply
    2,545,415.40x = 3,818,123.10 × 2,420,999.40
  4. Step 4: Simplify right side
    2,545,415.40x = 9,243,673,734,226.14
  5. Step 5: Solve for x
    x = 9,243,673,734,226.14/2,545,415.40
  6. Step 6: Final answer
    x = 3,631,499.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.