Home / 2,932,785.68-4,047,410.28-1,643,709.11

Finding the Fourth Proportional to 2,932,785.68, 4,047,410.28 and 1,643,709.11

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Solution

The fourth proportional to 2,932,785.68, 4,047,410.28 and 1,643,709.11 is: 2,268,411.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932,785.68 : 4,047,410.28 = 1,643,709.11 : x
  2. Step 2: Convert to fraction form
    2,932,785.68/4,047,410.28 = 1,643,709.11/x
  3. Step 3: Cross multiply
    2,932,785.68x = 4,047,410.28 × 1,643,709.11
  4. Step 4: Simplify right side
    2,932,785.68x = 6,652,765,125,824.65
  5. Step 5: Solve for x
    x = 6,652,765,125,824.65/2,932,785.68
  6. Step 6: Final answer
    x = 2,268,411.62

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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.