Home / 7,071,938.40-10,608,685.20-2,585,186.40

Finding the Fourth Proportional to 7,071,938.40, 10,608,685.20 and 2,585,186.40

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Solution

The fourth proportional to 7,071,938.40, 10,608,685.20 and 2,585,186.40 is: 3,878,063.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071,938.40 : 10,608,685.20 = 2,585,186.40 : x
  2. Step 2: Convert to fraction form
    7,071,938.40/10,608,685.20 = 2,585,186.40/x
  3. Step 3: Cross multiply
    7,071,938.40x = 10,608,685.20 × 2,585,186.40
  4. Step 4: Simplify right side
    7,071,938.40x = 27,425,428,700,921.28
  5. Step 5: Solve for x
    x = 27,425,428,700,921.28/7,071,938.40
  6. Step 6: Final answer
    x = 3,878,063.86

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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.