Home / 1,915,325.11-2,643,080.62-1,044,141.76

Finding the Fourth Proportional to 1,915,325.11, 2,643,080.62 and 1,044,141.76

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Solution

The fourth proportional to 1,915,325.11, 2,643,080.62 and 1,044,141.76 is: 1,440,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,325.11 : 2,643,080.62 = 1,044,141.76 : x
  2. Step 2: Convert to fraction form
    1,915,325.11/2,643,080.62 = 1,044,141.76/x
  3. Step 3: Cross multiply
    1,915,325.11x = 2,643,080.62 × 1,044,141.76
  4. Step 4: Simplify right side
    1,915,325.11x = 2,759,750,841,170.64
  5. Step 5: Solve for x
    x = 2,759,750,841,170.64/1,915,325.11
  6. Step 6: Final answer
    x = 1,440,878.54

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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.