Home / 5,781,123.20-8,669,643.60-1,993,725.20

Finding the Fourth Proportional to 5,781,123.20, 8,669,643.60 and 1,993,725.20

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Solution

The fourth proportional to 5,781,123.20, 8,669,643.60 and 1,993,725.20 is: 2,989,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781,123.20 : 8,669,643.60 = 1,993,725.20 : x
  2. Step 2: Convert to fraction form
    5,781,123.20/8,669,643.60 = 1,993,725.20/x
  3. Step 3: Cross multiply
    5,781,123.20x = 8,669,643.60 × 1,993,725.20
  4. Step 4: Simplify right side
    5,781,123.20x = 17,284,886,920,338.72
  5. Step 5: Solve for x
    x = 17,284,886,920,338.72/5,781,123.20
  6. Step 6: Final answer
    x = 2,989,883.86

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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.