Home / 4,920,476.10-7,380,714.15-1,729,205.70

Finding the Fourth Proportional to 4,920,476.10, 7,380,714.15 and 1,729,205.70

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Solution

The fourth proportional to 4,920,476.10, 7,380,714.15 and 1,729,205.70 is: 2,593,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,476.10 : 7,380,714.15 = 1,729,205.70 : x
  2. Step 2: Convert to fraction form
    4,920,476.10/7,380,714.15 = 1,729,205.70/x
  3. Step 3: Cross multiply
    4,920,476.10x = 7,380,714.15 × 1,729,205.70
  4. Step 4: Simplify right side
    4,920,476.10x = 12,762,772,978,250.66
  5. Step 5: Solve for x
    x = 12,762,772,978,250.66/4,920,476.10
  6. Step 6: Final answer
    x = 2,593,808.55

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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.