Home / 5,424,010.40-8,136,015.60-1,380,490.40

Finding the Fourth Proportional to 5,424,010.40, 8,136,015.60 and 1,380,490.40

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Solution

The fourth proportional to 5,424,010.40, 8,136,015.60 and 1,380,490.40 is: 2,070,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424,010.40 : 8,136,015.60 = 1,380,490.40 : x
  2. Step 2: Convert to fraction form
    5,424,010.40/8,136,015.60 = 1,380,490.40/x
  3. Step 3: Cross multiply
    5,424,010.40x = 8,136,015.60 × 1,380,490.40
  4. Step 4: Simplify right side
    5,424,010.40x = 11,231,691,430,050.24
  5. Step 5: Solve for x
    x = 11,231,691,430,050.24/5,424,010.40
  6. Step 6: Final answer
    x = 2,070,735.60

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Similar ratio
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1.5x scale

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.