Home / 2,128,008.96-3,193,188.48-866,724.48

Finding the Fourth Proportional to 2,128,008.96, 3,193,188.48 and 866,724.48

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Solution

The fourth proportional to 2,128,008.96, 3,193,188.48 and 866,724.48 is: 1,300,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,008.96 : 3,193,188.48 = 866,724.48 : x
  2. Step 2: Convert to fraction form
    2,128,008.96/3,193,188.48 = 866,724.48/x
  3. Step 3: Cross multiply
    2,128,008.96x = 3,193,188.48 × 866,724.48
  4. Step 4: Simplify right side
    2,128,008.96x = 2,767,614,624,869.99
  5. Step 5: Solve for x
    x = 2,767,614,624,869.99/2,128,008.96
  6. Step 6: Final answer
    x = 1,300,565.31

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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.