Home / 5,638,921.46-7,780,377.32-3,191,532.59

Finding the Fourth Proportional to 5,638,921.46, 7,780,377.32 and 3,191,532.59

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Solution

The fourth proportional to 5,638,921.46, 7,780,377.32 and 3,191,532.59 is: 4,403,559.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,921.46 : 7,780,377.32 = 3,191,532.59 : x
  2. Step 2: Convert to fraction form
    5,638,921.46/7,780,377.32 = 3,191,532.59/x
  3. Step 3: Cross multiply
    5,638,921.46x = 7,780,377.32 × 3,191,532.59
  4. Step 4: Simplify right side
    5,638,921.46x = 24,831,327,724,417.31
  5. Step 5: Solve for x
    x = 24,831,327,724,417.31/5,638,921.46
  6. Step 6: Final answer
    x = 4,403,559.77

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