Home / 4,920,612.12-7,383,049.02-2,643,479.64

Finding the Fourth Proportional to 4,920,612.12, 7,383,049.02 and 2,643,479.64

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Solution

The fourth proportional to 4,920,612.12, 7,383,049.02 and 2,643,479.64 is: 3,966,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,612.12 : 7,383,049.02 = 2,643,479.64 : x
  2. Step 2: Convert to fraction form
    4,920,612.12/7,383,049.02 = 2,643,479.64/x
  3. Step 3: Cross multiply
    4,920,612.12x = 7,383,049.02 × 2,643,479.64
  4. Step 4: Simplify right side
    4,920,612.12x = 19,516,939,765,491.95
  5. Step 5: Solve for x
    x = 19,516,939,765,491.95/4,920,612.12
  6. Step 6: Final answer
    x = 3,966,364.20

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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.