Home / 2,976,829.60-4,107,978-1,618,690.72

Finding the Fourth Proportional to 2,976,829.60, 4,107,978 and 1,618,690.72

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Solution

The fourth proportional to 2,976,829.60, 4,107,978 and 1,618,690.72 is: 2,233,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,829.60 : 4,107,978 = 1,618,690.72 : x
  2. Step 2: Convert to fraction form
    2,976,829.60/4,107,978 = 1,618,690.72/x
  3. Step 3: Cross multiply
    2,976,829.60x = 4,107,978 × 1,618,690.72
  4. Step 4: Simplify right side
    2,976,829.60x = 6,649,545,866,564.16
  5. Step 5: Solve for x
    x = 6,649,545,866,564.16/2,976,829.60
  6. Step 6: Final answer
    x = 2,233,767.72

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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.