Home / 2,758,924.40-4,138,516.20-865,727.60

Finding the Fourth Proportional to 2,758,924.40, 4,138,516.20 and 865,727.60

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Solution

The fourth proportional to 2,758,924.40, 4,138,516.20 and 865,727.60 is: 1,298,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,924.40 : 4,138,516.20 = 865,727.60 : x
  2. Step 2: Convert to fraction form
    2,758,924.40/4,138,516.20 = 865,727.60/x
  3. Step 3: Cross multiply
    2,758,924.40x = 4,138,516.20 × 865,727.60
  4. Step 4: Simplify right side
    2,758,924.40x = 3,582,827,697,387.12
  5. Step 5: Solve for x
    x = 3,582,827,697,387.12/2,758,924.40
  6. Step 6: Final answer
    x = 1,298,632.07

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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.