Home / 1,995,901.32-2,754,344.84-1,078,130.42

Finding the Fourth Proportional to 1,995,901.32, 2,754,344.84 and 1,078,130.42

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Solution

The fourth proportional to 1,995,901.32, 2,754,344.84 and 1,078,130.42 is: 1,487,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,901.32 : 2,754,344.84 = 1,078,130.42 : x
  2. Step 2: Convert to fraction form
    1,995,901.32/2,754,344.84 = 1,078,130.42/x
  3. Step 3: Cross multiply
    1,995,901.32x = 2,754,344.84 × 1,078,130.42
  4. Step 4: Simplify right side
    1,995,901.32x = 2,969,542,940,011.66
  5. Step 5: Solve for x
    x = 2,969,542,940,011.66/1,995,901.32
  6. Step 6: Final answer
    x = 1,487,820.52

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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.