Home / 3,926,881.76-5,889,666.54-1,087,280.96

Finding the Fourth Proportional to 3,926,881.76, 5,889,666.54 and 1,087,280.96

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Solution

The fourth proportional to 3,926,881.76, 5,889,666.54 and 1,087,280.96 is: 1,630,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926,881.76 : 5,889,666.54 = 1,087,280.96 : x
  2. Step 2: Convert to fraction form
    3,926,881.76/5,889,666.54 = 1,087,280.96/x
  3. Step 3: Cross multiply
    3,926,881.76x = 5,889,666.54 × 1,087,280.96
  4. Step 4: Simplify right side
    3,926,881.76x = 6,403,722,289,691.08
  5. Step 5: Solve for x
    x = 6,403,722,289,691.08/3,926,881.76
  6. Step 6: Final answer
    x = 1,630,739.78

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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.