Home / 5,327,031.52-7,990,780.56-1,540,897.12

Finding the Fourth Proportional to 5,327,031.52, 7,990,780.56 and 1,540,897.12

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Solution

The fourth proportional to 5,327,031.52, 7,990,780.56 and 1,540,897.12 is: 2,311,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327,031.52 : 7,990,780.56 = 1,540,897.12 : x
  2. Step 2: Convert to fraction form
    5,327,031.52/7,990,780.56 = 1,540,897.12/x
  3. Step 3: Cross multiply
    5,327,031.52x = 7,990,780.56 × 1,540,897.12
  4. Step 4: Simplify right side
    5,327,031.52x = 12,312,970,751,455.99
  5. Step 5: Solve for x
    x = 12,312,970,751,455.99/5,327,031.52
  6. Step 6: Final answer
    x = 2,311,413.16

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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.