Home / 3,874,104.65-5,811,156.95-1,412,305.13

Finding the Fourth Proportional to 3,874,104.65, 5,811,156.95 and 1,412,305.13

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Solution

The fourth proportional to 3,874,104.65, 5,811,156.95 and 1,412,305.13 is: 2,118,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874,104.65 : 5,811,156.95 = 1,412,305.13 : x
  2. Step 2: Convert to fraction form
    3,874,104.65/5,811,156.95 = 1,412,305.13/x
  3. Step 3: Cross multiply
    3,874,104.65x = 5,811,156.95 × 1,412,305.13
  4. Step 4: Simplify right side
    3,874,104.65x = 8,207,126,779,186.52
  5. Step 5: Solve for x
    x = 8,207,126,779,186.52/3,874,104.65
  6. Step 6: Final answer
    x = 2,118,457.69

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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.