Home / 2,155,610.22-3,235,417.65-1,091,406.30

Finding the Fourth Proportional to 2,155,610.22, 3,235,417.65 and 1,091,406.30

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Solution

The fourth proportional to 2,155,610.22, 3,235,417.65 and 1,091,406.30 is: 1,638,123.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,610.22 : 3,235,417.65 = 1,091,406.30 : x
  2. Step 2: Convert to fraction form
    2,155,610.22/3,235,417.65 = 1,091,406.30/x
  3. Step 3: Cross multiply
    2,155,610.22x = 3,235,417.65 × 1,091,406.30
  4. Step 4: Simplify right side
    2,155,610.22x = 3,531,155,206,341.20
  5. Step 5: Solve for x
    x = 3,531,155,206,341.20/2,155,610.22
  6. Step 6: Final answer
    x = 1,638,123.24

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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.