Home / 2,131,731.90-2,941,754.36-1,164,839.90

Finding the Fourth Proportional to 2,131,731.90, 2,941,754.36 and 1,164,839.90

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Solution

The fourth proportional to 2,131,731.90, 2,941,754.36 and 1,164,839.90 is: 1,607,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,731.90 : 2,941,754.36 = 1,164,839.90 : x
  2. Step 2: Convert to fraction form
    2,131,731.90/2,941,754.36 = 1,164,839.90/x
  3. Step 3: Cross multiply
    2,131,731.90x = 2,941,754.36 × 1,164,839.90
  4. Step 4: Simplify right side
    2,131,731.90x = 3,426,672,833,993.99
  5. Step 5: Solve for x
    x = 3,426,672,833,993.99/2,131,731.90
  6. Step 6: Final answer
    x = 1,607,459.57

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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.