Home / 1,957,903.47-2,936,996.75-819,520.76

Finding the Fourth Proportional to 1,957,903.47, 2,936,996.75 and 819,520.76

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Solution

The fourth proportional to 1,957,903.47, 2,936,996.75 and 819,520.76 is: 1,229,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957,903.47 : 2,936,996.75 = 819,520.76 : x
  2. Step 2: Convert to fraction form
    1,957,903.47/2,936,996.75 = 819,520.76/x
  3. Step 3: Cross multiply
    1,957,903.47x = 2,936,996.75 × 819,520.76
  4. Step 4: Simplify right side
    1,957,903.47x = 2,406,929,808,677.53
  5. Step 5: Solve for x
    x = 2,406,929,808,677.53/1,957,903.47
  6. Step 6: Final answer
    x = 1,229,340.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.