Home / 3,435,340.20-5,148,603.90-1,919,020.20

Finding the Fourth Proportional to 3,435,340.20, 5,148,603.90 and 1,919,020.20

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Solution

The fourth proportional to 3,435,340.20, 5,148,603.90 and 1,919,020.20 is: 2,876,068.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435,340.20 : 5,148,603.90 = 1,919,020.20 : x
  2. Step 2: Convert to fraction form
    3,435,340.20/5,148,603.90 = 1,919,020.20/x
  3. Step 3: Cross multiply
    3,435,340.20x = 5,148,603.90 × 1,919,020.20
  4. Step 4: Simplify right side
    3,435,340.20x = 9,880,274,885,898.78
  5. Step 5: Solve for x
    x = 9,880,274,885,898.78/3,435,340.20
  6. Step 6: Final answer
    x = 2,876,068.83

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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.