Home / 2,082,475.44-3,124,009.44-643,281.12

Finding the Fourth Proportional to 2,082,475.44, 3,124,009.44 and 643,281.12

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Solution

The fourth proportional to 2,082,475.44, 3,124,009.44 and 643,281.12 is: 965,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082,475.44 : 3,124,009.44 = 643,281.12 : x
  2. Step 2: Convert to fraction form
    2,082,475.44/3,124,009.44 = 643,281.12/x
  3. Step 3: Cross multiply
    2,082,475.44x = 3,124,009.44 × 643,281.12
  4. Step 4: Simplify right side
    2,082,475.44x = 2,009,616,291,453.77
  5. Step 5: Solve for x
    x = 2,009,616,291,453.77/2,082,475.44
  6. Step 6: Final answer
    x = 965,013.20

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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.