Home / 4,921,474.60-7,382,211.90-3,118,511.80

Finding the Fourth Proportional to 4,921,474.60, 7,382,211.90 and 3,118,511.80

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Solution

The fourth proportional to 4,921,474.60, 7,382,211.90 and 3,118,511.80 is: 4,677,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,474.60 : 7,382,211.90 = 3,118,511.80 : x
  2. Step 2: Convert to fraction form
    4,921,474.60/7,382,211.90 = 3,118,511.80/x
  3. Step 3: Cross multiply
    4,921,474.60x = 7,382,211.90 × 3,118,511.80
  4. Step 4: Simplify right side
    4,921,474.60x = 23,021,514,920,250.42
  5. Step 5: Solve for x
    x = 23,021,514,920,250.42/4,921,474.60
  6. Step 6: Final answer
    x = 4,677,767.70

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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.