Home / 2,134,837.08-2,947,141.32-1,229,244.12

Finding the Fourth Proportional to 2,134,837.08, 2,947,141.32 and 1,229,244.12

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Solution

The fourth proportional to 2,134,837.08, 2,947,141.32 and 1,229,244.12 is: 1,696,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,837.08 : 2,947,141.32 = 1,229,244.12 : x
  2. Step 2: Convert to fraction form
    2,134,837.08/2,947,141.32 = 1,229,244.12/x
  3. Step 3: Cross multiply
    2,134,837.08x = 2,947,141.32 × 1,229,244.12
  4. Step 4: Simplify right side
    2,134,837.08x = 3,622,756,138,419.04
  5. Step 5: Solve for x
    x = 3,622,756,138,419.04/2,134,837.08
  6. Step 6: Final answer
    x = 1,696,970.78

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1.5x scale

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.