Home / 4,920,687.10-7,381,030.65-1,729,416.70

Finding the Fourth Proportional to 4,920,687.10, 7,381,030.65 and 1,729,416.70

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Solution

The fourth proportional to 4,920,687.10, 7,381,030.65 and 1,729,416.70 is: 2,594,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,687.10 : 7,381,030.65 = 1,729,416.70 : x
  2. Step 2: Convert to fraction form
    4,920,687.10/7,381,030.65 = 1,729,416.70/x
  3. Step 3: Cross multiply
    4,920,687.10x = 7,381,030.65 × 1,729,416.70
  4. Step 4: Simplify right side
    4,920,687.10x = 12,764,877,669,321.86
  5. Step 5: Solve for x
    x = 12,764,877,669,321.86/4,920,687.10
  6. Step 6: Final answer
    x = 2,594,125.05

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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.