Home / 2,187,010.96-3,018,077-1,220,141.46

Finding the Fourth Proportional to 2,187,010.96, 3,018,077 and 1,220,141.46

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Solution

The fourth proportional to 2,187,010.96, 3,018,077 and 1,220,141.46 is: 1,683,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,010.96 : 3,018,077 = 1,220,141.46 : x
  2. Step 2: Convert to fraction form
    2,187,010.96/3,018,077 = 1,220,141.46/x
  3. Step 3: Cross multiply
    2,187,010.96x = 3,018,077 × 1,220,141.46
  4. Step 4: Simplify right side
    2,187,010.96x = 3,682,480,877,172.42
  5. Step 5: Solve for x
    x = 3,682,480,877,172.42/2,187,010.96
  6. Step 6: Final answer
    x = 1,683,796.26

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Double scale
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1.5x scale

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.