Home / 2,580,386.40-3,561,148.68-1,434,573.36

Finding the Fourth Proportional to 2,580,386.40, 3,561,148.68 and 1,434,573.36

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Solution

The fourth proportional to 2,580,386.40, 3,561,148.68 and 1,434,573.36 is: 1,979,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,386.40 : 3,561,148.68 = 1,434,573.36 : x
  2. Step 2: Convert to fraction form
    2,580,386.40/3,561,148.68 = 1,434,573.36/x
  3. Step 3: Cross multiply
    2,580,386.40x = 3,561,148.68 × 1,434,573.36
  4. Step 4: Simplify right side
    2,580,386.40x = 5,108,729,027,327.17
  5. Step 5: Solve for x
    x = 5,108,729,027,327.17/2,580,386.40
  6. Step 6: Final answer
    x = 1,979,831.02

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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.