Home / 2,220,376.31-3,064,128.54-1,201,781.06

Finding the Fourth Proportional to 2,220,376.31, 3,064,128.54 and 1,201,781.06

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Solution

The fourth proportional to 2,220,376.31, 3,064,128.54 and 1,201,781.06 is: 1,658,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,376.31 : 3,064,128.54 = 1,201,781.06 : x
  2. Step 2: Convert to fraction form
    2,220,376.31/3,064,128.54 = 1,201,781.06/x
  3. Step 3: Cross multiply
    2,220,376.31x = 3,064,128.54 × 1,201,781.06
  4. Step 4: Simplify right side
    2,220,376.31x = 3,682,411,642,703.00
  5. Step 5: Solve for x
    x = 3,682,411,642,703.00/2,220,376.31
  6. Step 6: Final answer
    x = 1,658,462.86

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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.