Home / 1,977,224.85-2,728,828.65-1,117,785.12

Finding the Fourth Proportional to 1,977,224.85, 2,728,828.65 and 1,117,785.12

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Solution

The fourth proportional to 1,977,224.85, 2,728,828.65 and 1,117,785.12 is: 1,542,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,224.85 : 2,728,828.65 = 1,117,785.12 : x
  2. Step 2: Convert to fraction form
    1,977,224.85/2,728,828.65 = 1,117,785.12/x
  3. Step 3: Cross multiply
    1,977,224.85x = 2,728,828.65 × 1,117,785.12
  4. Step 4: Simplify right side
    1,977,224.85x = 3,050,244,059,999.69
  5. Step 5: Solve for x
    x = 3,050,244,059,999.69/1,977,224.85
  6. Step 6: Final answer
    x = 1,542,689.52

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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.