Home / 2,255,624.55-3,112,475.04-1,288,817.46

Finding the Fourth Proportional to 2,255,624.55, 3,112,475.04 and 1,288,817.46

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Solution

The fourth proportional to 2,255,624.55, 3,112,475.04 and 1,288,817.46 is: 1,778,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,624.55 : 3,112,475.04 = 1,288,817.46 : x
  2. Step 2: Convert to fraction form
    2,255,624.55/3,112,475.04 = 1,288,817.46/x
  3. Step 3: Cross multiply
    2,255,624.55x = 3,112,475.04 × 1,288,817.46
  4. Step 4: Simplify right side
    2,255,624.55x = 4,011,412,175,366.20
  5. Step 5: Solve for x
    x = 4,011,412,175,366.20/2,255,624.55
  6. Step 6: Final answer
    x = 1,778,404.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.