Home / 2,119,120.38-2,925,233.19-1,303,654.50

Finding the Fourth Proportional to 2,119,120.38, 2,925,233.19 and 1,303,654.50

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Solution

The fourth proportional to 2,119,120.38, 2,925,233.19 and 1,303,654.50 is: 1,799,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,120.38 : 2,925,233.19 = 1,303,654.50 : x
  2. Step 2: Convert to fraction form
    2,119,120.38/2,925,233.19 = 1,303,654.50/x
  3. Step 3: Cross multiply
    2,119,120.38x = 2,925,233.19 × 1,303,654.50
  4. Step 4: Simplify right side
    2,119,120.38x = 3,813,493,411,692.86
  5. Step 5: Solve for x
    x = 3,813,493,411,692.86/2,119,120.38
  6. Step 6: Final answer
    x = 1,799,564.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.