Home / 5,362,112.40-8,040,641.40-1,947,991.20

Finding the Fourth Proportional to 5,362,112.40, 8,040,641.40 and 1,947,991.20

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Solution

The fourth proportional to 5,362,112.40, 8,040,641.40 and 1,947,991.20 is: 2,921,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362,112.40 : 8,040,641.40 = 1,947,991.20 : x
  2. Step 2: Convert to fraction form
    5,362,112.40/8,040,641.40 = 1,947,991.20/x
  3. Step 3: Cross multiply
    5,362,112.40x = 8,040,641.40 × 1,947,991.20
  4. Step 4: Simplify right side
    5,362,112.40x = 15,663,098,689,555.68
  5. Step 5: Solve for x
    x = 15,663,098,689,555.68/5,362,112.40
  6. Step 6: Final answer
    x = 2,921,068.70

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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.