Home / 1,988,045.80-2,983,623.90-923,219.80

Finding the Fourth Proportional to 1,988,045.80, 2,983,623.90 and 923,219.80

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Solution

The fourth proportional to 1,988,045.80, 2,983,623.90 and 923,219.80 is: 1,385,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,045.80 : 2,983,623.90 = 923,219.80 : x
  2. Step 2: Convert to fraction form
    1,988,045.80/2,983,623.90 = 923,219.80/x
  3. Step 3: Cross multiply
    1,988,045.80x = 2,983,623.90 × 923,219.80
  4. Step 4: Simplify right side
    1,988,045.80x = 2,754,540,660,233.22
  5. Step 5: Solve for x
    x = 2,754,540,660,233.22/1,988,045.80
  6. Step 6: Final answer
    x = 1,385,551.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.