Home / 3,985,593.95-5,979,339.55-1,289,919.16

Finding the Fourth Proportional to 3,985,593.95, 5,979,339.55 and 1,289,919.16

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Solution

The fourth proportional to 3,985,593.95, 5,979,339.55 and 1,289,919.16 is: 1,935,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,593.95 : 5,979,339.55 = 1,289,919.16 : x
  2. Step 2: Convert to fraction form
    3,985,593.95/5,979,339.55 = 1,289,919.16/x
  3. Step 3: Cross multiply
    3,985,593.95x = 5,979,339.55 × 1,289,919.16
  4. Step 4: Simplify right side
    3,985,593.95x = 7,712,864,649,690.78
  5. Step 5: Solve for x
    x = 7,712,864,649,690.78/3,985,593.95
  6. Step 6: Final answer
    x = 1,935,185.76

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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.