Home / 4,191,859.20-6,287,788.80-1,200,043.20

Finding the Fourth Proportional to 4,191,859.20, 6,287,788.80 and 1,200,043.20

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Solution

The fourth proportional to 4,191,859.20, 6,287,788.80 and 1,200,043.20 is: 1,800,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191,859.20 : 6,287,788.80 = 1,200,043.20 : x
  2. Step 2: Convert to fraction form
    4,191,859.20/6,287,788.80 = 1,200,043.20/x
  3. Step 3: Cross multiply
    4,191,859.20x = 6,287,788.80 × 1,200,043.20
  4. Step 4: Simplify right side
    4,191,859.20x = 7,545,618,192,476.16
  5. Step 5: Solve for x
    x = 7,545,618,192,476.16/4,191,859.20
  6. Step 6: Final answer
    x = 1,800,064.80

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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.