Home / 5,281,123.20-7,908,041.85-3,644,849.46

Finding the Fourth Proportional to 5,281,123.20, 7,908,041.85 and 3,644,849.46

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Solution

The fourth proportional to 5,281,123.20, 7,908,041.85 and 3,644,849.46 is: 5,457,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,123.20 : 7,908,041.85 = 3,644,849.46 : x
  2. Step 2: Convert to fraction form
    5,281,123.20/7,908,041.85 = 3,644,849.46/x
  3. Step 3: Cross multiply
    5,281,123.20x = 7,908,041.85 × 3,644,849.46
  4. Step 4: Simplify right side
    5,281,123.20x = 28,823,622,066,629.90
  5. Step 5: Solve for x
    x = 28,823,622,066,629.90/5,281,123.20
  6. Step 6: Final answer
    x = 5,457,858.30

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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.