Home / 2,943,827.20-4,416,265.68-813,864.16

Finding the Fourth Proportional to 2,943,827.20, 4,416,265.68 and 813,864.16

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Solution

The fourth proportional to 2,943,827.20, 4,416,265.68 and 813,864.16 is: 1,220,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943,827.20 : 4,416,265.68 = 813,864.16 : x
  2. Step 2: Convert to fraction form
    2,943,827.20/4,416,265.68 = 813,864.16/x
  3. Step 3: Cross multiply
    2,943,827.20x = 4,416,265.68 × 813,864.16
  4. Step 4: Simplify right side
    2,943,827.20x = 3,594,240,357,990.03
  5. Step 5: Solve for x
    x = 3,594,240,357,990.03/2,943,827.20
  6. Step 6: Final answer
    x = 1,220,941.35

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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.