Home / 2,687,389.36-3,711,061.87-1,707,651.29

Finding the Fourth Proportional to 2,687,389.36, 3,711,061.87 and 1,707,651.29

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Solution

The fourth proportional to 2,687,389.36, 3,711,061.87 and 1,707,651.29 is: 2,358,124.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,389.36 : 3,711,061.87 = 1,707,651.29 : x
  2. Step 2: Convert to fraction form
    2,687,389.36/3,711,061.87 = 1,707,651.29/x
  3. Step 3: Cross multiply
    2,687,389.36x = 3,711,061.87 × 1,707,651.29
  4. Step 4: Simplify right side
    2,687,389.36x = 6,337,199,603,122.10
  5. Step 5: Solve for x
    x = 6,337,199,603,122.10/2,687,389.36
  6. Step 6: Final answer
    x = 2,358,124.84

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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.