Home / 1,920,650.90-2,650,270.86-1,146,138.21

Finding the Fourth Proportional to 1,920,650.90, 2,650,270.86 and 1,146,138.21

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Solution

The fourth proportional to 1,920,650.90, 2,650,270.86 and 1,146,138.21 is: 1,581,535.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,650.90 : 2,650,270.86 = 1,146,138.21 : x
  2. Step 2: Convert to fraction form
    1,920,650.90/2,650,270.86 = 1,146,138.21/x
  3. Step 3: Cross multiply
    1,920,650.90x = 2,650,270.86 × 1,146,138.21
  4. Step 4: Simplify right side
    1,920,650.90x = 3,037,576,699,495.56
  5. Step 5: Solve for x
    x = 3,037,576,699,495.56/1,920,650.90
  6. Step 6: Final answer
    x = 1,581,535.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.