Home / 1,982,996.83-2,974,495.28-1,308,920.45

Finding the Fourth Proportional to 1,982,996.83, 2,974,495.28 and 1,308,920.45

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Solution

The fourth proportional to 1,982,996.83, 2,974,495.28 and 1,308,920.45 is: 1,963,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,996.83 : 2,974,495.28 = 1,308,920.45 : x
  2. Step 2: Convert to fraction form
    1,982,996.83/2,974,495.28 = 1,308,920.45/x
  3. Step 3: Cross multiply
    1,982,996.83x = 2,974,495.28 × 1,308,920.45
  4. Step 4: Simplify right side
    1,982,996.83x = 3,893,377,700,420.48
  5. Step 5: Solve for x
    x = 3,893,377,700,420.48/1,982,996.83
  6. Step 6: Final answer
    x = 1,963,380.70

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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.