Home / 3,618,002.70-5,423,432.85-2,021,330.70

Finding the Fourth Proportional to 3,618,002.70, 5,423,432.85 and 2,021,330.70

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Solution

The fourth proportional to 3,618,002.70, 5,423,432.85 and 2,021,330.70 is: 3,030,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,002.70 : 5,423,432.85 = 2,021,330.70 : x
  2. Step 2: Convert to fraction form
    3,618,002.70/5,423,432.85 = 2,021,330.70/x
  3. Step 3: Cross multiply
    3,618,002.70x = 5,423,432.85 × 2,021,330.70
  4. Step 4: Simplify right side
    3,618,002.70x = 10,962,551,319,093.49
  5. Step 5: Solve for x
    x = 10,962,551,319,093.49/3,618,002.70
  6. Step 6: Final answer
    x = 3,030,000.87

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1.5x scale

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.