Home / 2,652,000.30-3,978,000.45-970,310.70

Finding the Fourth Proportional to 2,652,000.30, 3,978,000.45 and 970,310.70

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Solution

The fourth proportional to 2,652,000.30, 3,978,000.45 and 970,310.70 is: 1,455,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,000.30 : 3,978,000.45 = 970,310.70 : x
  2. Step 2: Convert to fraction form
    2,652,000.30/3,978,000.45 = 970,310.70/x
  3. Step 3: Cross multiply
    2,652,000.30x = 3,978,000.45 × 970,310.70
  4. Step 4: Simplify right side
    2,652,000.30x = 3,859,896,401,239.82
  5. Step 5: Solve for x
    x = 3,859,896,401,239.82/2,652,000.30
  6. Step 6: Final answer
    x = 1,455,466.05

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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.