Home / 5,213,215.80-7,814,121.30-1,845,689.40

Finding the Fourth Proportional to 5,213,215.80, 7,814,121.30 and 1,845,689.40

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Solution

The fourth proportional to 5,213,215.80, 7,814,121.30 and 1,845,689.40 is: 2,766,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,215.80 : 7,814,121.30 = 1,845,689.40 : x
  2. Step 2: Convert to fraction form
    5,213,215.80/7,814,121.30 = 1,845,689.40/x
  3. Step 3: Cross multiply
    5,213,215.80x = 7,814,121.30 × 1,845,689.40
  4. Step 4: Simplify right side
    5,213,215.80x = 14,422,440,853,724.22
  5. Step 5: Solve for x
    x = 14,422,440,853,724.22/5,213,215.80
  6. Step 6: Final answer
    x = 2,766,515.22

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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.