Home / 2,990,814.36-4,486,928.66-969,054.88

Finding the Fourth Proportional to 2,990,814.36, 4,486,928.66 and 969,054.88

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Solution

The fourth proportional to 2,990,814.36, 4,486,928.66 and 969,054.88 is: 1,453,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,814.36 : 4,486,928.66 = 969,054.88 : x
  2. Step 2: Convert to fraction form
    2,990,814.36/4,486,928.66 = 969,054.88/x
  3. Step 3: Cross multiply
    2,990,814.36x = 4,486,928.66 × 969,054.88
  4. Step 4: Simplify right side
    2,990,814.36x = 4,348,080,114,184.86
  5. Step 5: Solve for x
    x = 4,348,080,114,184.86/2,990,814.36
  6. Step 6: Final answer
    x = 1,453,811.43

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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.