Home / 2,885,628.70-4,328,443.05-2,775,403.90

Finding the Fourth Proportional to 2,885,628.70, 4,328,443.05 and 2,775,403.90

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Solution

The fourth proportional to 2,885,628.70, 4,328,443.05 and 2,775,403.90 is: 4,163,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,628.70 : 4,328,443.05 = 2,775,403.90 : x
  2. Step 2: Convert to fraction form
    2,885,628.70/4,328,443.05 = 2,775,403.90/x
  3. Step 3: Cross multiply
    2,885,628.70x = 4,328,443.05 × 2,775,403.90
  4. Step 4: Simplify right side
    2,885,628.70x = 12,013,177,721,897.89
  5. Step 5: Solve for x
    x = 12,013,177,721,897.89/2,885,628.70
  6. Step 6: Final answer
    x = 4,163,105.85

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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.