Home / 5,214,198.39-7,196,335.30-2,891,607.46

Finding the Fourth Proportional to 5,214,198.39, 7,196,335.30 and 2,891,607.46

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Solution

The fourth proportional to 5,214,198.39, 7,196,335.30 and 2,891,607.46 is: 3,990,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,198.39 : 7,196,335.30 = 2,891,607.46 : x
  2. Step 2: Convert to fraction form
    5,214,198.39/7,196,335.30 = 2,891,607.46/x
  3. Step 3: Cross multiply
    5,214,198.39x = 7,196,335.30 × 2,891,607.46
  4. Step 4: Simplify right side
    5,214,198.39x = 20,808,976,838,141.34
  5. Step 5: Solve for x
    x = 20,808,976,838,141.34/5,214,198.39
  6. Step 6: Final answer
    x = 3,990,829.52

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1.5x scale

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.