Home / 2,990,729.60-4,486,531.80-968,629.40

Finding the Fourth Proportional to 2,990,729.60, 4,486,531.80 and 968,629.40

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Solution

The fourth proportional to 2,990,729.60, 4,486,531.80 and 968,629.40 is: 1,453,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,729.60 : 4,486,531.80 = 968,629.40 : x
  2. Step 2: Convert to fraction form
    2,990,729.60/4,486,531.80 = 968,629.40/x
  3. Step 3: Cross multiply
    2,990,729.60x = 4,486,531.80 × 968,629.40
  4. Step 4: Simplify right side
    2,990,729.60x = 4,345,786,605,514.92
  5. Step 5: Solve for x
    x = 4,345,786,605,514.92/2,990,729.60
  6. Step 6: Final answer
    x = 1,453,085.76

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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.