Home / 5,656,685.68-7,806,403.40-3,209,399.87

Finding the Fourth Proportional to 5,656,685.68, 7,806,403.40 and 3,209,399.87

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Solution

The fourth proportional to 5,656,685.68, 7,806,403.40 and 3,209,399.87 is: 4,429,072.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656,685.68 : 7,806,403.40 = 3,209,399.87 : x
  2. Step 2: Convert to fraction form
    5,656,685.68/7,806,403.40 = 3,209,399.87/x
  3. Step 3: Cross multiply
    5,656,685.68x = 7,806,403.40 × 3,209,399.87
  4. Step 4: Simplify right side
    5,656,685.68x = 25,053,870,064,012.43
  5. Step 5: Solve for x
    x = 25,053,870,064,012.43/5,656,685.68
  6. Step 6: Final answer
    x = 4,429,072.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.