Home / 1,916,180.24-2,874,892.44-918,986

Finding the Fourth Proportional to 1,916,180.24, 2,874,892.44 and 918,986

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Solution

The fourth proportional to 1,916,180.24, 2,874,892.44 and 918,986 is: 1,378,777.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,180.24 : 2,874,892.44 = 918,986 : x
  2. Step 2: Convert to fraction form
    1,916,180.24/2,874,892.44 = 918,986/x
  3. Step 3: Cross multiply
    1,916,180.24x = 2,874,892.44 × 918,986
  4. Step 4: Simplify right side
    1,916,180.24x = 2,641,985,903,865.84
  5. Step 5: Solve for x
    x = 2,641,985,903,865.84/1,916,180.24
  6. Step 6: Final answer
    x = 1,378,777.35

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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.