Home / 1,970,234.20-2,955,351.30-1,128,093.40

Finding the Fourth Proportional to 1,970,234.20, 2,955,351.30 and 1,128,093.40

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Solution

The fourth proportional to 1,970,234.20, 2,955,351.30 and 1,128,093.40 is: 1,692,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,234.20 : 2,955,351.30 = 1,128,093.40 : x
  2. Step 2: Convert to fraction form
    1,970,234.20/2,955,351.30 = 1,128,093.40/x
  3. Step 3: Cross multiply
    1,970,234.20x = 2,955,351.30 × 1,128,093.40
  4. Step 4: Simplify right side
    1,970,234.20x = 3,333,912,296,211.42
  5. Step 5: Solve for x
    x = 3,333,912,296,211.42/1,970,234.20
  6. Step 6: Final answer
    x = 1,692,140.10

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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.