Home / 2,990,470.29-4,485,488.55-1,168,492.74

Finding the Fourth Proportional to 2,990,470.29, 4,485,488.55 and 1,168,492.74

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Solution

The fourth proportional to 2,990,470.29, 4,485,488.55 and 1,168,492.74 is: 1,752,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,470.29 : 4,485,488.55 = 1,168,492.74 : x
  2. Step 2: Convert to fraction form
    2,990,470.29/4,485,488.55 = 1,168,492.74/x
  3. Step 3: Cross multiply
    2,990,470.29x = 4,485,488.55 × 1,168,492.74
  4. Step 4: Simplify right side
    2,990,470.29x = 5,241,260,791,398.47
  5. Step 5: Solve for x
    x = 5,241,260,791,398.47/2,990,470.29
  6. Step 6: Final answer
    x = 1,752,654.36

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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.