Home / 2,704,814.40-4,057,221.60-1,287,638.40

Finding the Fourth Proportional to 2,704,814.40, 4,057,221.60 and 1,287,638.40

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Solution

The fourth proportional to 2,704,814.40, 4,057,221.60 and 1,287,638.40 is: 1,931,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704,814.40 : 4,057,221.60 = 1,287,638.40 : x
  2. Step 2: Convert to fraction form
    2,704,814.40/4,057,221.60 = 1,287,638.40/x
  3. Step 3: Cross multiply
    2,704,814.40x = 4,057,221.60 × 1,287,638.40
  4. Step 4: Simplify right side
    2,704,814.40x = 5,224,234,329,469.44
  5. Step 5: Solve for x
    x = 5,224,234,329,469.44/2,704,814.40
  6. Step 6: Final answer
    x = 1,931,457.60

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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.