Home / 1,912,866.60-2,863,079.10-1,489,852.20

Finding the Fourth Proportional to 1,912,866.60, 2,863,079.10 and 1,489,852.20

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Solution

The fourth proportional to 1,912,866.60, 2,863,079.10 and 1,489,852.20 is: 2,229,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,866.60 : 2,863,079.10 = 1,489,852.20 : x
  2. Step 2: Convert to fraction form
    1,912,866.60/2,863,079.10 = 1,489,852.20/x
  3. Step 3: Cross multiply
    1,912,866.60x = 2,863,079.10 × 1,489,852.20
  4. Step 4: Simplify right side
    1,912,866.60x = 4,265,564,695,909.02
  5. Step 5: Solve for x
    x = 4,265,564,695,909.02/1,912,866.60
  6. Step 6: Final answer
    x = 2,229,933.18

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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.