Home / 3,942,001.70-5,913,002.55-1,698,139.70

Finding the Fourth Proportional to 3,942,001.70, 5,913,002.55 and 1,698,139.70

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Solution

The fourth proportional to 3,942,001.70, 5,913,002.55 and 1,698,139.70 is: 2,547,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,001.70 : 5,913,002.55 = 1,698,139.70 : x
  2. Step 2: Convert to fraction form
    3,942,001.70/5,913,002.55 = 1,698,139.70/x
  3. Step 3: Cross multiply
    3,942,001.70x = 5,913,002.55 × 1,698,139.70
  4. Step 4: Simplify right side
    3,942,001.70x = 10,041,104,376,356.23
  5. Step 5: Solve for x
    x = 10,041,104,376,356.23/3,942,001.70
  6. Step 6: Final answer
    x = 2,547,209.55

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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.