Home / 3,638,695.20-5,458,042.80-1,080,002.40

Finding the Fourth Proportional to 3,638,695.20, 5,458,042.80 and 1,080,002.40

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Solution

The fourth proportional to 3,638,695.20, 5,458,042.80 and 1,080,002.40 is: 1,620,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,695.20 : 5,458,042.80 = 1,080,002.40 : x
  2. Step 2: Convert to fraction form
    3,638,695.20/5,458,042.80 = 1,080,002.40/x
  3. Step 3: Cross multiply
    3,638,695.20x = 5,458,042.80 × 1,080,002.40
  4. Step 4: Simplify right side
    3,638,695.20x = 5,894,699,323,302.72
  5. Step 5: Solve for x
    x = 5,894,699,323,302.72/3,638,695.20
  6. Step 6: Final answer
    x = 1,620,003.60

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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.