Home / 5,257,981.40-7,886,972.10-2,063,211.80

Finding the Fourth Proportional to 5,257,981.40, 7,886,972.10 and 2,063,211.80

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Solution

The fourth proportional to 5,257,981.40, 7,886,972.10 and 2,063,211.80 is: 3,094,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257,981.40 : 7,886,972.10 = 2,063,211.80 : x
  2. Step 2: Convert to fraction form
    5,257,981.40/7,886,972.10 = 2,063,211.80/x
  3. Step 3: Cross multiply
    5,257,981.40x = 7,886,972.10 × 2,063,211.80
  4. Step 4: Simplify right side
    5,257,981.40x = 16,272,493,902,990.78
  5. Step 5: Solve for x
    x = 16,272,493,902,990.78/5,257,981.40
  6. Step 6: Final answer
    x = 3,094,817.70

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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.