Home / 2,127,962.40-3,191,943.60-1,008,218.40

Finding the Fourth Proportional to 2,127,962.40, 3,191,943.60 and 1,008,218.40

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Solution

The fourth proportional to 2,127,962.40, 3,191,943.60 and 1,008,218.40 is: 1,512,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,962.40 : 3,191,943.60 = 1,008,218.40 : x
  2. Step 2: Convert to fraction form
    2,127,962.40/3,191,943.60 = 1,008,218.40/x
  3. Step 3: Cross multiply
    2,127,962.40x = 3,191,943.60 × 1,008,218.40
  4. Step 4: Simplify right side
    2,127,962.40x = 3,218,176,269,282.24
  5. Step 5: Solve for x
    x = 3,218,176,269,282.24/2,127,962.40
  6. Step 6: Final answer
    x = 1,512,327.60

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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.