Home / 1,431,459.60-2,147,189.40-1,361,475.60

Finding the Fourth Proportional to 1,431,459.60, 2,147,189.40 and 1,361,475.60

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Solution

The fourth proportional to 1,431,459.60, 2,147,189.40 and 1,361,475.60 is: 2,042,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,459.60 : 2,147,189.40 = 1,361,475.60 : x
  2. Step 2: Convert to fraction form
    1,431,459.60/2,147,189.40 = 1,361,475.60/x
  3. Step 3: Cross multiply
    1,431,459.60x = 2,147,189.40 × 1,361,475.60
  4. Step 4: Simplify right side
    1,431,459.60x = 2,923,345,976,678.64
  5. Step 5: Solve for x
    x = 2,923,345,976,678.64/1,431,459.60
  6. Step 6: Final answer
    x = 2,042,213.40

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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.