Home / 1,530,140.40-2,306,670.66-1,427,380.56

Finding the Fourth Proportional to 1,530,140.40, 2,306,670.66 and 1,427,380.56

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Solution

The fourth proportional to 1,530,140.40, 2,306,670.66 and 1,427,380.56 is: 2,151,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,140.40 : 2,306,670.66 = 1,427,380.56 : x
  2. Step 2: Convert to fraction form
    1,530,140.40/2,306,670.66 = 1,427,380.56/x
  3. Step 3: Cross multiply
    1,530,140.40x = 2,306,670.66 × 1,427,380.56
  4. Step 4: Simplify right side
    1,530,140.40x = 3,292,496,858,406.37
  5. Step 5: Solve for x
    x = 3,292,496,858,406.37/1,530,140.40
  6. Step 6: Final answer
    x = 2,151,761.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.