Home / 2,799,855.72-4,200,396.08-906,788.52

Finding the Fourth Proportional to 2,799,855.72, 4,200,396.08 and 906,788.52

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Solution

The fourth proportional to 2,799,855.72, 4,200,396.08 and 906,788.52 is: 1,360,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,855.72 : 4,200,396.08 = 906,788.52 : x
  2. Step 2: Convert to fraction form
    2,799,855.72/4,200,396.08 = 906,788.52/x
  3. Step 3: Cross multiply
    2,799,855.72x = 4,200,396.08 × 906,788.52
  4. Step 4: Simplify right side
    2,799,855.72x = 3,808,870,944,797.00
  5. Step 5: Solve for x
    x = 3,808,870,944,797.00/2,799,855.72
  6. Step 6: Final answer
    x = 1,360,381.15

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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.