Home / 3,085,768.96-4,257,997.12-1,779,006.40

Finding the Fourth Proportional to 3,085,768.96, 4,257,997.12 and 1,779,006.40

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Solution

The fourth proportional to 3,085,768.96, 4,257,997.12 and 1,779,006.40 is: 2,454,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,768.96 : 4,257,997.12 = 1,779,006.40 : x
  2. Step 2: Convert to fraction form
    3,085,768.96/4,257,997.12 = 1,779,006.40/x
  3. Step 3: Cross multiply
    3,085,768.96x = 4,257,997.12 × 1,779,006.40
  4. Step 4: Simplify right side
    3,085,768.96x = 7,575,004,127,661.57
  5. Step 5: Solve for x
    x = 7,575,004,127,661.57/3,085,768.96
  6. Step 6: Final answer
    x = 2,454,818.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.