Home / 3,989,619.72-5,985,020.16-1,465,078.14

Finding the Fourth Proportional to 3,989,619.72, 5,985,020.16 and 1,465,078.14

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Solution

The fourth proportional to 3,989,619.72, 5,985,020.16 and 1,465,078.14 is: 2,197,834.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,619.72 : 5,985,020.16 = 1,465,078.14 : x
  2. Step 2: Convert to fraction form
    3,989,619.72/5,985,020.16 = 1,465,078.14/x
  3. Step 3: Cross multiply
    3,989,619.72x = 5,985,020.16 × 1,465,078.14
  4. Step 4: Simplify right side
    3,989,619.72x = 8,768,522,203,875.30
  5. Step 5: Solve for x
    x = 8,768,522,203,875.30/3,989,619.72
  6. Step 6: Final answer
    x = 2,197,834.08

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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.