Home / 2,145,881.88-3,217,609.54-706,176.28

Finding the Fourth Proportional to 2,145,881.88, 3,217,609.54 and 706,176.28

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Solution

The fourth proportional to 2,145,881.88, 3,217,609.54 and 706,176.28 is: 1,058,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,881.88 : 3,217,609.54 = 706,176.28 : x
  2. Step 2: Convert to fraction form
    2,145,881.88/3,217,609.54 = 706,176.28/x
  3. Step 3: Cross multiply
    2,145,881.88x = 3,217,609.54 × 706,176.28
  4. Step 4: Simplify right side
    2,145,881.88x = 2,272,199,535,449.71
  5. Step 5: Solve for x
    x = 2,272,199,535,449.71/2,145,881.88
  6. Step 6: Final answer
    x = 1,058,865.15

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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.