Home / 2,103,500.80-2,903,061.74-1,220,644.43

Finding the Fourth Proportional to 2,103,500.80, 2,903,061.74 and 1,220,644.43

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Solution

The fourth proportional to 2,103,500.80, 2,903,061.74 and 1,220,644.43 is: 1,684,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,500.80 : 2,903,061.74 = 1,220,644.43 : x
  2. Step 2: Convert to fraction form
    2,103,500.80/2,903,061.74 = 1,220,644.43/x
  3. Step 3: Cross multiply
    2,103,500.80x = 2,903,061.74 × 1,220,644.43
  4. Step 4: Simplify right side
    2,103,500.80x = 3,543,606,142,877.11
  5. Step 5: Solve for x
    x = 3,543,606,142,877.11/2,103,500.80
  6. Step 6: Final answer
    x = 1,684,623.15

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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.