Home / 2,281,868.56-3,148,858.74-1,249,178.46

Finding the Fourth Proportional to 2,281,868.56, 3,148,858.74 and 1,249,178.46

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Solution

The fourth proportional to 2,281,868.56, 3,148,858.74 and 1,249,178.46 is: 1,723,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,868.56 : 3,148,858.74 = 1,249,178.46 : x
  2. Step 2: Convert to fraction form
    2,281,868.56/3,148,858.74 = 1,249,178.46/x
  3. Step 3: Cross multiply
    2,281,868.56x = 3,148,858.74 × 1,249,178.46
  4. Step 4: Simplify right side
    2,281,868.56x = 3,933,486,511,590.74
  5. Step 5: Solve for x
    x = 3,933,486,511,590.74/2,281,868.56
  6. Step 6: Final answer
    x = 1,723,800.65

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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.