Home / 3,109,805.12-4,664,707.68-1,779,176

Finding the Fourth Proportional to 3,109,805.12, 4,664,707.68 and 1,779,176

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Solution

The fourth proportional to 3,109,805.12, 4,664,707.68 and 1,779,176 is: 2,668,764

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,805.12 : 4,664,707.68 = 1,779,176 : x
  2. Step 2: Convert to fraction form
    3,109,805.12/4,664,707.68 = 1,779,176/x
  3. Step 3: Cross multiply
    3,109,805.12x = 4,664,707.68 × 1,779,176
  4. Step 4: Simplify right side
    3,109,805.12x = 8,299,335,951,271.68
  5. Step 5: Solve for x
    x = 8,299,335,951,271.68/3,109,805.12
  6. Step 6: Final answer
    x = 2,668,764

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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.