Home / 2,318,855.20-3,478,282.80-1,371,738.40

Finding the Fourth Proportional to 2,318,855.20, 3,478,282.80 and 1,371,738.40

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Solution

The fourth proportional to 2,318,855.20, 3,478,282.80 and 1,371,738.40 is: 2,057,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,855.20 : 3,478,282.80 = 1,371,738.40 : x
  2. Step 2: Convert to fraction form
    2,318,855.20/3,478,282.80 = 1,371,738.40/x
  3. Step 3: Cross multiply
    2,318,855.20x = 3,478,282.80 × 1,371,738.40
  4. Step 4: Simplify right side
    2,318,855.20x = 4,771,294,082,819.52
  5. Step 5: Solve for x
    x = 4,771,294,082,819.52/2,318,855.20
  6. Step 6: Final answer
    x = 2,057,607.60

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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.