Home / 1,817,857.20-2,726,785.80-619,381.20

Finding the Fourth Proportional to 1,817,857.20, 2,726,785.80 and 619,381.20

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Solution

The fourth proportional to 1,817,857.20, 2,726,785.80 and 619,381.20 is: 929,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,857.20 : 2,726,785.80 = 619,381.20 : x
  2. Step 2: Convert to fraction form
    1,817,857.20/2,726,785.80 = 619,381.20/x
  3. Step 3: Cross multiply
    1,817,857.20x = 2,726,785.80 × 619,381.20
  4. Step 4: Simplify right side
    1,817,857.20x = 1,688,919,860,946.96
  5. Step 5: Solve for x
    x = 1,688,919,860,946.96/1,817,857.20
  6. Step 6: Final answer
    x = 929,071.80

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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.