Home / 2,127,420.82-3,174,538.37-1,898,140.24

Finding the Fourth Proportional to 2,127,420.82, 3,174,538.37 and 1,898,140.24

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Solution

The fourth proportional to 2,127,420.82, 3,174,538.37 and 1,898,140.24 is: 2,832,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,420.82 : 3,174,538.37 = 1,898,140.24 : x
  2. Step 2: Convert to fraction form
    2,127,420.82/3,174,538.37 = 1,898,140.24/x
  3. Step 3: Cross multiply
    2,127,420.82x = 3,174,538.37 × 1,898,140.24
  4. Step 4: Simplify right side
    2,127,420.82x = 6,025,719,023,521.01
  5. Step 5: Solve for x
    x = 6,025,719,023,521.01/2,127,420.82
  6. Step 6: Final answer
    x = 2,832,405.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.