Home / 1,418,515.80-2,115,280.62-1,405,721.84

Finding the Fourth Proportional to 1,418,515.80, 2,115,280.62 and 1,405,721.84

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Solution

The fourth proportional to 1,418,515.80, 2,115,280.62 and 1,405,721.84 is: 2,096,202.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,515.80 : 2,115,280.62 = 1,405,721.84 : x
  2. Step 2: Convert to fraction form
    1,418,515.80/2,115,280.62 = 1,405,721.84/x
  3. Step 3: Cross multiply
    1,418,515.80x = 2,115,280.62 × 1,405,721.84
  4. Step 4: Simplify right side
    1,418,515.80x = 2,973,496,165,262.74
  5. Step 5: Solve for x
    x = 2,973,496,165,262.74/1,418,515.80
  6. Step 6: Final answer
    x = 2,096,202.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.