Home / 1,880,300.20-2,820,450.30-1,432,402.60

Finding the Fourth Proportional to 1,880,300.20, 2,820,450.30 and 1,432,402.60

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Solution

The fourth proportional to 1,880,300.20, 2,820,450.30 and 1,432,402.60 is: 2,148,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,300.20 : 2,820,450.30 = 1,432,402.60 : x
  2. Step 2: Convert to fraction form
    1,880,300.20/2,820,450.30 = 1,432,402.60/x
  3. Step 3: Cross multiply
    1,880,300.20x = 2,820,450.30 × 1,432,402.60
  4. Step 4: Simplify right side
    1,880,300.20x = 4,040,020,342,890.78
  5. Step 5: Solve for x
    x = 4,040,020,342,890.78/1,880,300.20
  6. Step 6: Final answer
    x = 2,148,603.90

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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.