Home / 1,820,154.40-2,731,981.20-922,609.60

Finding the Fourth Proportional to 1,820,154.40, 2,731,981.20 and 922,609.60

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Solution

The fourth proportional to 1,820,154.40, 2,731,981.20 and 922,609.60 is: 1,384,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,154.40 : 2,731,981.20 = 922,609.60 : x
  2. Step 2: Convert to fraction form
    1,820,154.40/2,731,981.20 = 922,609.60/x
  3. Step 3: Cross multiply
    1,820,154.40x = 2,731,981.20 × 922,609.60
  4. Step 4: Simplify right side
    1,820,154.40x = 2,520,552,082,139.52
  5. Step 5: Solve for x
    x = 2,520,552,082,139.52/1,820,154.40
  6. Step 6: Final answer
    x = 1,384,801.25

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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.