Home / 3,620,333.76-4,996,139.68-1,988,763.76

Finding the Fourth Proportional to 3,620,333.76, 4,996,139.68 and 1,988,763.76

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Solution

The fourth proportional to 3,620,333.76, 4,996,139.68 and 1,988,763.76 is: 2,744,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,333.76 : 4,996,139.68 = 1,988,763.76 : x
  2. Step 2: Convert to fraction form
    3,620,333.76/4,996,139.68 = 1,988,763.76/x
  3. Step 3: Cross multiply
    3,620,333.76x = 4,996,139.68 × 1,988,763.76
  4. Step 4: Simplify right side
    3,620,333.76x = 9,936,141,535,482.00
  5. Step 5: Solve for x
    x = 9,936,141,535,482.00/3,620,333.76
  6. Step 6: Final answer
    x = 2,744,537.44

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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.