Home / 2,687,817.60-4,030,171.20-1,005,091.20

Finding the Fourth Proportional to 2,687,817.60, 4,030,171.20 and 1,005,091.20

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Solution

The fourth proportional to 2,687,817.60, 4,030,171.20 and 1,005,091.20 is: 1,507,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,817.60 : 4,030,171.20 = 1,005,091.20 : x
  2. Step 2: Convert to fraction form
    2,687,817.60/4,030,171.20 = 1,005,091.20/x
  3. Step 3: Cross multiply
    2,687,817.60x = 4,030,171.20 × 1,005,091.20
  4. Step 4: Simplify right side
    2,687,817.60x = 4,050,689,607,613.44
  5. Step 5: Solve for x
    x = 4,050,689,607,613.44/2,687,817.60
  6. Step 6: Final answer
    x = 1,507,055.24

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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.