Home / 6,516,971.80-9,780,123.30-3,674,066.20

Finding the Fourth Proportional to 6,516,971.80, 9,780,123.30 and 3,674,066.20

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Solution

The fourth proportional to 6,516,971.80, 9,780,123.30 and 3,674,066.20 is: 5,513,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516,971.80 : 9,780,123.30 = 3,674,066.20 : x
  2. Step 2: Convert to fraction form
    6,516,971.80/9,780,123.30 = 3,674,066.20/x
  3. Step 3: Cross multiply
    6,516,971.80x = 9,780,123.30 × 3,674,066.20
  4. Step 4: Simplify right side
    6,516,971.80x = 35,932,820,448,362.46
  5. Step 5: Solve for x
    x = 35,932,820,448,362.46/6,516,971.80
  6. Step 6: Final answer
    x = 5,513,729.62

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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.