Home / 2,187,001.77-3,018,064.33-1,220,132.26

Finding the Fourth Proportional to 2,187,001.77, 3,018,064.33 and 1,220,132.26

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Solution

The fourth proportional to 2,187,001.77, 3,018,064.33 and 1,220,132.26 is: 1,683,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,001.77 : 3,018,064.33 = 1,220,132.26 : x
  2. Step 2: Convert to fraction form
    2,187,001.77/3,018,064.33 = 1,220,132.26/x
  3. Step 3: Cross multiply
    2,187,001.77x = 3,018,064.33 × 1,220,132.26
  4. Step 4: Simplify right side
    2,187,001.77x = 3,682,437,636,697.96
  5. Step 5: Solve for x
    x = 3,682,437,636,697.96/2,187,001.77
  6. Step 6: Final answer
    x = 1,683,783.56

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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.