Home / 2,466,565.40-3,403,879-1,378,881.20

Finding the Fourth Proportional to 2,466,565.40, 3,403,879 and 1,378,881.20

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Solution

The fourth proportional to 2,466,565.40, 3,403,879 and 1,378,881.20 is: 1,902,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,466,565.40 : 3,403,879 = 1,378,881.20 : x
  2. Step 2: Convert to fraction form
    2,466,565.40/3,403,879 = 1,378,881.20/x
  3. Step 3: Cross multiply
    2,466,565.40x = 3,403,879 × 1,378,881.20
  4. Step 4: Simplify right side
    2,466,565.40x = 4,693,544,760,174.80
  5. Step 5: Solve for x
    x = 4,693,544,760,174.80/2,466,565.40
  6. Step 6: Final answer
    x = 1,902,866.54

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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.