Home / 1,962,320.40-2,708,026.56-1,187,940.96

Finding the Fourth Proportional to 1,962,320.40, 2,708,026.56 and 1,187,940.96

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Solution

The fourth proportional to 1,962,320.40, 2,708,026.56 and 1,187,940.96 is: 1,639,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,320.40 : 2,708,026.56 = 1,187,940.96 : x
  2. Step 2: Convert to fraction form
    1,962,320.40/2,708,026.56 = 1,187,940.96/x
  3. Step 3: Cross multiply
    1,962,320.40x = 2,708,026.56 × 1,187,940.96
  4. Step 4: Simplify right side
    1,962,320.40x = 3,216,975,671,391.90
  5. Step 5: Solve for x
    x = 3,216,975,671,391.90/1,962,320.40
  6. Step 6: Final answer
    x = 1,639,373.30

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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.