Home / 1,838,128.86-2,536,242.30-1,074,034.80

Finding the Fourth Proportional to 1,838,128.86, 2,536,242.30 and 1,074,034.80

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Solution

The fourth proportional to 1,838,128.86, 2,536,242.30 and 1,074,034.80 is: 1,481,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,128.86 : 2,536,242.30 = 1,074,034.80 : x
  2. Step 2: Convert to fraction form
    1,838,128.86/2,536,242.30 = 1,074,034.80/x
  3. Step 3: Cross multiply
    1,838,128.86x = 2,536,242.30 × 1,074,034.80
  4. Step 4: Simplify right side
    1,838,128.86x = 2,724,012,491,432.04
  5. Step 5: Solve for x
    x = 2,724,012,491,432.04/1,838,128.86
  6. Step 6: Final answer
    x = 1,481,948.60

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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.