Home / 2,220,858.85-3,064,728.81-1,240,805.43

Finding the Fourth Proportional to 2,220,858.85, 3,064,728.81 and 1,240,805.43

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Solution

The fourth proportional to 2,220,858.85, 3,064,728.81 and 1,240,805.43 is: 1,712,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,858.85 : 3,064,728.81 = 1,240,805.43 : x
  2. Step 2: Convert to fraction form
    2,220,858.85/3,064,728.81 = 1,240,805.43/x
  3. Step 3: Cross multiply
    2,220,858.85x = 3,064,728.81 × 1,240,805.43
  4. Step 4: Simplify right side
    2,220,858.85x = 3,802,732,144,342.33
  5. Step 5: Solve for x
    x = 3,802,732,144,342.33/2,220,858.85
  6. Step 6: Final answer
    x = 1,712,279.98

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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.