Home / 2,068,103.84-2,853,983.22-1,209,385.58

Finding the Fourth Proportional to 2,068,103.84, 2,853,983.22 and 1,209,385.58

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Solution

The fourth proportional to 2,068,103.84, 2,853,983.22 and 1,209,385.58 is: 1,668,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,103.84 : 2,853,983.22 = 1,209,385.58 : x
  2. Step 2: Convert to fraction form
    2,068,103.84/2,853,983.22 = 1,209,385.58/x
  3. Step 3: Cross multiply
    2,068,103.84x = 2,853,983.22 × 1,209,385.58
  4. Step 4: Simplify right side
    2,068,103.84x = 3,451,566,151,829.97
  5. Step 5: Solve for x
    x = 3,451,566,151,829.97/2,068,103.84
  6. Step 6: Final answer
    x = 1,668,952.05

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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.