Home / 2,256,929.67-3,114,562.63-1,290,080.73

Finding the Fourth Proportional to 2,256,929.67, 3,114,562.63 and 1,290,080.73

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Solution

The fourth proportional to 2,256,929.67, 3,114,562.63 and 1,290,080.73 is: 1,780,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,929.67 : 3,114,562.63 = 1,290,080.73 : x
  2. Step 2: Convert to fraction form
    2,256,929.67/3,114,562.63 = 1,290,080.73/x
  3. Step 3: Cross multiply
    2,256,929.67x = 3,114,562.63 × 1,290,080.73
  4. Step 4: Simplify right side
    2,256,929.67x = 4,018,037,231,341.12
  5. Step 5: Solve for x
    x = 4,018,037,231,341.12/2,256,929.67
  6. Step 6: Final answer
    x = 1,780,311.23

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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.