Home / 2,187,001.14-3,018,063.46-1,220,131.63

Finding the Fourth Proportional to 2,187,001.14, 3,018,063.46 and 1,220,131.63

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Solution

The fourth proportional to 2,187,001.14, 3,018,063.46 and 1,220,131.63 is: 1,683,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,001.14 : 3,018,063.46 = 1,220,131.63 : x
  2. Step 2: Convert to fraction form
    2,187,001.14/3,018,063.46 = 1,220,131.63/x
  3. Step 3: Cross multiply
    2,187,001.14x = 3,018,063.46 × 1,220,131.63
  4. Step 4: Simplify right side
    2,187,001.14x = 3,682,434,688,893.24
  5. Step 5: Solve for x
    x = 3,682,434,688,893.24/2,187,001.14
  6. Step 6: Final answer
    x = 1,683,782.70

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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.