Home / 2,878,901.20-4,316,278.20-1,617,115.60

Finding the Fourth Proportional to 2,878,901.20, 4,316,278.20 and 1,617,115.60

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Solution

The fourth proportional to 2,878,901.20, 4,316,278.20 and 1,617,115.60 is: 2,424,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,901.20 : 4,316,278.20 = 1,617,115.60 : x
  2. Step 2: Convert to fraction form
    2,878,901.20/4,316,278.20 = 1,617,115.60/x
  3. Step 3: Cross multiply
    2,878,901.20x = 4,316,278.20 × 1,617,115.60
  4. Step 4: Simplify right side
    2,878,901.20x = 6,979,920,811,159.92
  5. Step 5: Solve for x
    x = 6,979,920,811,159.92/2,878,901.20
  6. Step 6: Final answer
    x = 2,424,508.63

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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.