Home / 2,783,272.80-4,174,909.20-890,205.60

Finding the Fourth Proportional to 2,783,272.80, 4,174,909.20 and 890,205.60

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Solution

The fourth proportional to 2,783,272.80, 4,174,909.20 and 890,205.60 is: 1,335,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,272.80 : 4,174,909.20 = 890,205.60 : x
  2. Step 2: Convert to fraction form
    2,783,272.80/4,174,909.20 = 890,205.60/x
  3. Step 3: Cross multiply
    2,783,272.80x = 4,174,909.20 × 890,205.60
  4. Step 4: Simplify right side
    2,783,272.80x = 3,716,527,549,331.52
  5. Step 5: Solve for x
    x = 3,716,527,549,331.52/2,783,272.80
  6. Step 6: Final answer
    x = 1,335,308.40

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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.