Home / 4,161,445.40-6,240,612.90-1,636,578.20

Finding the Fourth Proportional to 4,161,445.40, 6,240,612.90 and 1,636,578.20

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Solution

The fourth proportional to 4,161,445.40, 6,240,612.90 and 1,636,578.20 is: 2,454,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161,445.40 : 6,240,612.90 = 1,636,578.20 : x
  2. Step 2: Convert to fraction form
    4,161,445.40/6,240,612.90 = 1,636,578.20/x
  3. Step 3: Cross multiply
    4,161,445.40x = 6,240,612.90 × 1,636,578.20
  4. Step 4: Simplify right side
    4,161,445.40x = 10,213,251,026,778.78
  5. Step 5: Solve for x
    x = 10,213,251,026,778.78/4,161,445.40
  6. Step 6: Final answer
    x = 2,454,255.68

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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.