Home / 2,860,011.20-4,290,592.80-838,251.20

Finding the Fourth Proportional to 2,860,011.20, 4,290,592.80 and 838,251.20

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Solution

The fourth proportional to 2,860,011.20, 4,290,592.80 and 838,251.20 is: 1,257,545.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,011.20 : 4,290,592.80 = 838,251.20 : x
  2. Step 2: Convert to fraction form
    2,860,011.20/4,290,592.80 = 838,251.20/x
  3. Step 3: Cross multiply
    2,860,011.20x = 4,290,592.80 × 838,251.20
  4. Step 4: Simplify right side
    2,860,011.20x = 3,596,594,563,311.36
  5. Step 5: Solve for x
    x = 3,596,594,563,311.36/2,860,011.20
  6. Step 6: Final answer
    x = 1,257,545.62

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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.