Home / 3,207,819.40-4,811,050.06-1,911,545.64

Finding the Fourth Proportional to 3,207,819.40, 4,811,050.06 and 1,911,545.64

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Solution

The fourth proportional to 3,207,819.40, 4,811,050.06 and 1,911,545.64 is: 2,866,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,819.40 : 4,811,050.06 = 1,911,545.64 : x
  2. Step 2: Convert to fraction form
    3,207,819.40/4,811,050.06 = 1,911,545.64/x
  3. Step 3: Cross multiply
    3,207,819.40x = 4,811,050.06 × 1,911,545.64
  4. Step 4: Simplify right side
    3,207,819.40x = 9,196,541,766,014.74
  5. Step 5: Solve for x
    x = 9,196,541,766,014.74/3,207,819.40
  6. Step 6: Final answer
    x = 2,866,913.82

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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.