Home / 1,916,178.24-2,874,889.44-918,984

Finding the Fourth Proportional to 1,916,178.24, 2,874,889.44 and 918,984

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Solution

The fourth proportional to 1,916,178.24, 2,874,889.44 and 918,984 is: 1,378,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,178.24 : 2,874,889.44 = 918,984 : x
  2. Step 2: Convert to fraction form
    1,916,178.24/2,874,889.44 = 918,984/x
  3. Step 3: Cross multiply
    1,916,178.24x = 2,874,889.44 × 918,984
  4. Step 4: Simplify right side
    1,916,178.24x = 2,641,977,397,128.96
  5. Step 5: Solve for x
    x = 2,641,977,397,128.96/1,916,178.24
  6. Step 6: Final answer
    x = 1,378,774.34

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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.