Home / 3,989,885.60-5,506,077.36-2,271,116.80

Finding the Fourth Proportional to 3,989,885.60, 5,506,077.36 and 2,271,116.80

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Solution

The fourth proportional to 3,989,885.60, 5,506,077.36 and 2,271,116.80 is: 3,134,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,885.60 : 5,506,077.36 = 2,271,116.80 : x
  2. Step 2: Convert to fraction form
    3,989,885.60/5,506,077.36 = 2,271,116.80/x
  3. Step 3: Cross multiply
    3,989,885.60x = 5,506,077.36 × 2,271,116.80
  4. Step 4: Simplify right side
    3,989,885.60x = 12,504,944,794,395.65
  5. Step 5: Solve for x
    x = 12,504,944,794,395.65/3,989,885.60
  6. Step 6: Final answer
    x = 3,134,161.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.