Home / 2,913,689.80-4,370,534.70-1,853,432.20

Finding the Fourth Proportional to 2,913,689.80, 4,370,534.70 and 1,853,432.20

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Solution

The fourth proportional to 2,913,689.80, 4,370,534.70 and 1,853,432.20 is: 2,780,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,689.80 : 4,370,534.70 = 1,853,432.20 : x
  2. Step 2: Convert to fraction form
    2,913,689.80/4,370,534.70 = 1,853,432.20/x
  3. Step 3: Cross multiply
    2,913,689.80x = 4,370,534.70 × 1,853,432.20
  4. Step 4: Simplify right side
    2,913,689.80x = 8,100,489,744,197.34
  5. Step 5: Solve for x
    x = 8,100,489,744,197.34/2,913,689.80
  6. Step 6: Final answer
    x = 2,780,148.30

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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.