Home / 2,658,830.80-3,987,785.40-975,067.60

Finding the Fourth Proportional to 2,658,830.80, 3,987,785.40 and 975,067.60

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Solution

The fourth proportional to 2,658,830.80, 3,987,785.40 and 975,067.60 is: 1,462,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658,830.80 : 3,987,785.40 = 975,067.60 : x
  2. Step 2: Convert to fraction form
    2,658,830.80/3,987,785.40 = 975,067.60/x
  3. Step 3: Cross multiply
    2,658,830.80x = 3,987,785.40 × 975,067.60
  4. Step 4: Simplify right side
    2,658,830.80x = 3,888,360,339,293.04
  5. Step 5: Solve for x
    x = 3,888,360,339,293.04/2,658,830.80
  6. Step 6: Final answer
    x = 1,462,432.41

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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.