Home / 2,028,509.80-2,799,531.30-1,123,091.80

Finding the Fourth Proportional to 2,028,509.80, 2,799,531.30 and 1,123,091.80

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Solution

The fourth proportional to 2,028,509.80, 2,799,531.30 and 1,123,091.80 is: 1,549,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,509.80 : 2,799,531.30 = 1,123,091.80 : x
  2. Step 2: Convert to fraction form
    2,028,509.80/2,799,531.30 = 1,123,091.80/x
  3. Step 3: Cross multiply
    2,028,509.80x = 2,799,531.30 × 1,123,091.80
  4. Step 4: Simplify right side
    2,028,509.80x = 3,144,130,646,873.34
  5. Step 5: Solve for x
    x = 3,144,130,646,873.34/2,028,509.80
  6. Step 6: Final answer
    x = 1,549,970.65

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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.