Home / 2,190,565.60-3,283,390.80-928,178.40

Finding the Fourth Proportional to 2,190,565.60, 3,283,390.80 and 928,178.40

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Solution

The fourth proportional to 2,190,565.60, 3,283,390.80 and 928,178.40 is: 1,391,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,565.60 : 3,283,390.80 = 928,178.40 : x
  2. Step 2: Convert to fraction form
    2,190,565.60/3,283,390.80 = 928,178.40/x
  3. Step 3: Cross multiply
    2,190,565.60x = 3,283,390.80 × 928,178.40
  4. Step 4: Simplify right side
    2,190,565.60x = 3,047,572,419,318.72
  5. Step 5: Solve for x
    x = 3,047,572,419,318.72/2,190,565.60
  6. Step 6: Final answer
    x = 1,391,226.27

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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.