Home / 3,985,616.30-5,979,373.02-1,289,941.52

Finding the Fourth Proportional to 3,985,616.30, 5,979,373.02 and 1,289,941.52

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Solution

The fourth proportional to 3,985,616.30, 5,979,373.02 and 1,289,941.52 is: 1,935,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,616.30 : 5,979,373.02 = 1,289,941.52 : x
  2. Step 2: Convert to fraction form
    3,985,616.30/5,979,373.02 = 1,289,941.52/x
  3. Step 3: Cross multiply
    3,985,616.30x = 5,979,373.02 × 1,289,941.52
  4. Step 4: Simplify right side
    3,985,616.30x = 7,713,041,522,065.79
  5. Step 5: Solve for x
    x = 7,713,041,522,065.79/3,985,616.30
  6. Step 6: Final answer
    x = 1,935,219.28

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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.