Home / 2,912,128.80-4,368,193.20-1,491,712.80

Finding the Fourth Proportional to 2,912,128.80, 4,368,193.20 and 1,491,712.80

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Solution

The fourth proportional to 2,912,128.80, 4,368,193.20 and 1,491,712.80 is: 2,237,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,128.80 : 4,368,193.20 = 1,491,712.80 : x
  2. Step 2: Convert to fraction form
    2,912,128.80/4,368,193.20 = 1,491,712.80/x
  3. Step 3: Cross multiply
    2,912,128.80x = 4,368,193.20 × 1,491,712.80
  4. Step 4: Simplify right side
    2,912,128.80x = 6,516,089,709,312.96
  5. Step 5: Solve for x
    x = 6,516,089,709,312.96/2,912,128.80
  6. Step 6: Final answer
    x = 2,237,569.20

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Similar ratio
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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.