Home / 5,128,673.60-7,693,010.40-2,997,660.80

Finding the Fourth Proportional to 5,128,673.60, 7,693,010.40 and 2,997,660.80

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Solution

The fourth proportional to 5,128,673.60, 7,693,010.40 and 2,997,660.80 is: 4,496,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,673.60 : 7,693,010.40 = 2,997,660.80 : x
  2. Step 2: Convert to fraction form
    5,128,673.60/7,693,010.40 = 2,997,660.80/x
  3. Step 3: Cross multiply
    5,128,673.60x = 7,693,010.40 × 2,997,660.80
  4. Step 4: Simplify right side
    5,128,673.60x = 23,061,035,710,072.32
  5. Step 5: Solve for x
    x = 23,061,035,710,072.32/5,128,673.60
  6. Step 6: Final answer
    x = 4,496,491.20

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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.