Home / 2,494,920.80-3,742,381.20-812,194.40

Finding the Fourth Proportional to 2,494,920.80, 3,742,381.20 and 812,194.40

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Solution

The fourth proportional to 2,494,920.80, 3,742,381.20 and 812,194.40 is: 1,218,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,494,920.80 : 3,742,381.20 = 812,194.40 : x
  2. Step 2: Convert to fraction form
    2,494,920.80/3,742,381.20 = 812,194.40/x
  3. Step 3: Cross multiply
    2,494,920.80x = 3,742,381.20 × 812,194.40
  4. Step 4: Simplify right side
    2,494,920.80x = 3,039,541,053,305.28
  5. Step 5: Solve for x
    x = 3,039,541,053,305.28/2,494,920.80
  6. Step 6: Final answer
    x = 1,218,291.60

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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.