Home / 2,659,386.45-3,988,353.11-953,211.74

Finding the Fourth Proportional to 2,659,386.45, 3,988,353.11 and 953,211.74

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Solution

The fourth proportional to 2,659,386.45, 3,988,353.11 and 953,211.74 is: 1,429,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,386.45 : 3,988,353.11 = 953,211.74 : x
  2. Step 2: Convert to fraction form
    2,659,386.45/3,988,353.11 = 953,211.74/x
  3. Step 3: Cross multiply
    2,659,386.45x = 3,988,353.11 × 953,211.74
  4. Step 4: Simplify right side
    2,659,386.45x = 3,801,744,983,009.69
  5. Step 5: Solve for x
    x = 3,801,744,983,009.69/2,659,386.45
  6. Step 6: Final answer
    x = 1,429,557.18

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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.