Home / 2,020,720.59-3,028,456.40-821,247.03

Finding the Fourth Proportional to 2,020,720.59, 3,028,456.40 and 821,247.03

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Solution

The fourth proportional to 2,020,720.59, 3,028,456.40 and 821,247.03 is: 1,230,803.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,720.59 : 3,028,456.40 = 821,247.03 : x
  2. Step 2: Convert to fraction form
    2,020,720.59/3,028,456.40 = 821,247.03/x
  3. Step 3: Cross multiply
    2,020,720.59x = 3,028,456.40 × 821,247.03
  4. Step 4: Simplify right side
    2,020,720.59x = 2,487,110,819,878.26
  5. Step 5: Solve for x
    x = 2,487,110,819,878.26/2,020,720.59
  6. Step 6: Final answer
    x = 1,230,803.92

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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.