Home / 2,135,094.40-3,201,604.80-1,187,459.20

Finding the Fourth Proportional to 2,135,094.40, 3,201,604.80 and 1,187,459.20

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Solution

The fourth proportional to 2,135,094.40, 3,201,604.80 and 1,187,459.20 is: 1,780,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,094.40 : 3,201,604.80 = 1,187,459.20 : x
  2. Step 2: Convert to fraction form
    2,135,094.40/3,201,604.80 = 1,187,459.20/x
  3. Step 3: Cross multiply
    2,135,094.40x = 3,201,604.80 × 1,187,459.20
  4. Step 4: Simplify right side
    2,135,094.40x = 3,801,775,074,524.16
  5. Step 5: Solve for x
    x = 3,801,775,074,524.16/2,135,094.40
  6. Step 6: Final answer
    x = 1,780,612.17

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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.