Home / 1,532,477.24-2,112,609.22-1,072,165.68

Finding the Fourth Proportional to 1,532,477.24, 2,112,609.22 and 1,072,165.68

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Solution

The fourth proportional to 1,532,477.24, 2,112,609.22 and 1,072,165.68 is: 1,478,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,477.24 : 2,112,609.22 = 1,072,165.68 : x
  2. Step 2: Convert to fraction form
    1,532,477.24/2,112,609.22 = 1,072,165.68/x
  3. Step 3: Cross multiply
    1,532,477.24x = 2,112,609.22 × 1,072,165.68
  4. Step 4: Simplify right side
    1,532,477.24x = 2,265,067,100,935.57
  5. Step 5: Solve for x
    x = 2,265,067,100,935.57/1,532,477.24
  6. Step 6: Final answer
    x = 1,478,042.90

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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.