Home / 3,539,990.34-4,885,564.38-2,070,348.21

Finding the Fourth Proportional to 3,539,990.34, 4,885,564.38 and 2,070,348.21

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Solution

The fourth proportional to 3,539,990.34, 4,885,564.38 and 2,070,348.21 is: 2,857,301.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,990.34 : 4,885,564.38 = 2,070,348.21 : x
  2. Step 2: Convert to fraction form
    3,539,990.34/4,885,564.38 = 2,070,348.21/x
  3. Step 3: Cross multiply
    3,539,990.34x = 4,885,564.38 × 2,070,348.21
  4. Step 4: Simplify right side
    3,539,990.34x = 10,114,819,468,972.76
  5. Step 5: Solve for x
    x = 10,114,819,468,972.76/3,539,990.34
  6. Step 6: Final answer
    x = 2,857,301.43

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Double scale
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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.