Home / 1,892,881.38-2,839,328.15-472,937.61

Finding the Fourth Proportional to 1,892,881.38, 2,839,328.15 and 472,937.61

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Solution

The fourth proportional to 1,892,881.38, 2,839,328.15 and 472,937.61 is: 709,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,881.38 : 2,839,328.15 = 472,937.61 : x
  2. Step 2: Convert to fraction form
    1,892,881.38/2,839,328.15 = 472,937.61/x
  3. Step 3: Cross multiply
    1,892,881.38x = 2,839,328.15 × 472,937.61
  4. Step 4: Simplify right side
    1,892,881.38x = 1,342,825,069,266.72
  5. Step 5: Solve for x
    x = 1,342,825,069,266.72/1,892,881.38
  6. Step 6: Final answer
    x = 709,407.93

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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.