Home / 2,911,864.80-4,367,019.60-890,104.80

Finding the Fourth Proportional to 2,911,864.80, 4,367,019.60 and 890,104.80

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Solution

The fourth proportional to 2,911,864.80, 4,367,019.60 and 890,104.80 is: 1,334,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,864.80 : 4,367,019.60 = 890,104.80 : x
  2. Step 2: Convert to fraction form
    2,911,864.80/4,367,019.60 = 890,104.80/x
  3. Step 3: Cross multiply
    2,911,864.80x = 4,367,019.60 × 890,104.80
  4. Step 4: Simplify right side
    2,911,864.80x = 3,887,105,107,654.08
  5. Step 5: Solve for x
    x = 3,887,105,107,654.08/2,911,864.80
  6. Step 6: Final answer
    x = 1,334,919.50

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1.5x scale

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.