Home / 2,779,886.38-4,170,140.70-886,188.46

Finding the Fourth Proportional to 2,779,886.38, 4,170,140.70 and 886,188.46

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Solution

The fourth proportional to 2,779,886.38, 4,170,140.70 and 886,188.46 is: 1,329,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,886.38 : 4,170,140.70 = 886,188.46 : x
  2. Step 2: Convert to fraction form
    2,779,886.38/4,170,140.70 = 886,188.46/x
  3. Step 3: Cross multiply
    2,779,886.38x = 4,170,140.70 × 886,188.46
  4. Step 4: Simplify right side
    2,779,886.38x = 3,695,530,564,916.32
  5. Step 5: Solve for x
    x = 3,695,530,564,916.32/2,779,886.38
  6. Step 6: Final answer
    x = 1,329,381.87

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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.