Home / 3,818,363.40-5,726,043.96-1,388,940

Finding the Fourth Proportional to 3,818,363.40, 5,726,043.96 and 1,388,940

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Solution

The fourth proportional to 3,818,363.40, 5,726,043.96 and 1,388,940 is: 2,082,863.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,363.40 : 5,726,043.96 = 1,388,940 : x
  2. Step 2: Convert to fraction form
    3,818,363.40/5,726,043.96 = 1,388,940/x
  3. Step 3: Cross multiply
    3,818,363.40x = 5,726,043.96 × 1,388,940
  4. Step 4: Simplify right side
    3,818,363.40x = 7,953,131,497,802.40
  5. Step 5: Solve for x
    x = 7,953,131,497,802.40/3,818,363.40
  6. Step 6: Final answer
    x = 2,082,863.96

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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.