Home / 5,326,262.32-7,989,451.80-1,539,778

Finding the Fourth Proportional to 5,326,262.32, 7,989,451.80 and 1,539,778

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Solution

The fourth proportional to 5,326,262.32, 7,989,451.80 and 1,539,778 is: 2,309,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326,262.32 : 7,989,451.80 = 1,539,778 : x
  2. Step 2: Convert to fraction form
    5,326,262.32/7,989,451.80 = 1,539,778/x
  3. Step 3: Cross multiply
    5,326,262.32x = 7,989,451.80 × 1,539,778
  4. Step 4: Simplify right side
    5,326,262.32x = 12,301,982,113,700.40
  5. Step 5: Solve for x
    x = 12,301,982,113,700.40/5,326,262.32
  6. Step 6: Final answer
    x = 2,309,683.86

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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.