Home / 2,581,301.16-3,872,002.77-939,921.21

Finding the Fourth Proportional to 2,581,301.16, 3,872,002.77 and 939,921.21

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Solution

The fourth proportional to 2,581,301.16, 3,872,002.77 and 939,921.21 is: 1,409,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581,301.16 : 3,872,002.77 = 939,921.21 : x
  2. Step 2: Convert to fraction form
    2,581,301.16/3,872,002.77 = 939,921.21/x
  3. Step 3: Cross multiply
    2,581,301.16x = 3,872,002.77 × 939,921.21
  4. Step 4: Simplify right side
    2,581,301.16x = 3,639,377,528,701.75
  5. Step 5: Solve for x
    x = 3,639,377,528,701.75/2,581,301.16
  6. Step 6: Final answer
    x = 1,409,900.40

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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.