Home / 4,920,475.60-7,380,713.40-1,729,205.20

Finding the Fourth Proportional to 4,920,475.60, 7,380,713.40 and 1,729,205.20

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Solution

The fourth proportional to 4,920,475.60, 7,380,713.40 and 1,729,205.20 is: 2,593,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,475.60 : 7,380,713.40 = 1,729,205.20 : x
  2. Step 2: Convert to fraction form
    4,920,475.60/7,380,713.40 = 1,729,205.20/x
  3. Step 3: Cross multiply
    4,920,475.60x = 7,380,713.40 × 1,729,205.20
  4. Step 4: Simplify right side
    4,920,475.60x = 12,762,767,990,989.68
  5. Step 5: Solve for x
    x = 12,762,767,990,989.68/4,920,475.60
  6. Step 6: Final answer
    x = 2,593,807.80

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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.