Home / 2,185,909.74-3,015,525.92-1,421,684.46

Finding the Fourth Proportional to 2,185,909.74, 3,015,525.92 and 1,421,684.46

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Solution

The fourth proportional to 2,185,909.74, 3,015,525.92 and 1,421,684.46 is: 1,961,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,909.74 : 3,015,525.92 = 1,421,684.46 : x
  2. Step 2: Convert to fraction form
    2,185,909.74/3,015,525.92 = 1,421,684.46/x
  3. Step 3: Cross multiply
    2,185,909.74x = 3,015,525.92 × 1,421,684.46
  4. Step 4: Simplify right side
    2,185,909.74x = 4,287,126,332,082.78
  5. Step 5: Solve for x
    x = 4,287,126,332,082.78/2,185,909.74
  6. Step 6: Final answer
    x = 1,961,254.97

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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.