Home / 2,990,415.40-4,486,279.20-968,315.20

Finding the Fourth Proportional to 2,990,415.40, 4,486,279.20 and 968,315.20

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Solution

The fourth proportional to 2,990,415.40, 4,486,279.20 and 968,315.20 is: 1,452,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,415.40 : 4,486,279.20 = 968,315.20 : x
  2. Step 2: Convert to fraction form
    2,990,415.40/4,486,279.20 = 968,315.20/x
  3. Step 3: Cross multiply
    2,990,415.40x = 4,486,279.20 × 968,315.20
  4. Step 4: Simplify right side
    2,990,415.40x = 4,344,132,340,803.84
  5. Step 5: Solve for x
    x = 4,344,132,340,803.84/2,990,415.40
  6. Step 6: Final answer
    x = 1,452,685.25

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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.