Home / 1,380,362.85-2,071,740.51-1,377,171.18

Finding the Fourth Proportional to 1,380,362.85, 2,071,740.51 and 1,377,171.18

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Solution

The fourth proportional to 1,380,362.85, 2,071,740.51 and 1,377,171.18 is: 2,066,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,362.85 : 2,071,740.51 = 1,377,171.18 : x
  2. Step 2: Convert to fraction form
    1,380,362.85/2,071,740.51 = 1,377,171.18/x
  3. Step 3: Cross multiply
    1,380,362.85x = 2,071,740.51 × 1,377,171.18
  4. Step 4: Simplify right side
    1,380,362.85x = 2,853,141,322,810.50
  5. Step 5: Solve for x
    x = 2,853,141,322,810.50/1,380,362.85
  6. Step 6: Final answer
    x = 2,066,950.24

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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.