Home / 2,915,829.78-4,023,846.81-1,626,670.17

Finding the Fourth Proportional to 2,915,829.78, 4,023,846.81 and 1,626,670.17

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Solution

The fourth proportional to 2,915,829.78, 4,023,846.81 and 1,626,670.17 is: 2,244,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,829.78 : 4,023,846.81 = 1,626,670.17 : x
  2. Step 2: Convert to fraction form
    2,915,829.78/4,023,846.81 = 1,626,670.17/x
  3. Step 3: Cross multiply
    2,915,829.78x = 4,023,846.81 × 1,626,670.17
  4. Step 4: Simplify right side
    2,915,829.78x = 6,545,471,574,476.66
  5. Step 5: Solve for x
    x = 6,545,471,574,476.66/2,915,829.78
  6. Step 6: Final answer
    x = 2,244,805.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.