Home / 3,023,643.47-4,172,628.33-1,665,516.47

Finding the Fourth Proportional to 3,023,643.47, 4,172,628.33 and 1,665,516.47

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Solution

The fourth proportional to 3,023,643.47, 4,172,628.33 and 1,665,516.47 is: 2,298,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023,643.47 : 4,172,628.33 = 1,665,516.47 : x
  2. Step 2: Convert to fraction form
    3,023,643.47/4,172,628.33 = 1,665,516.47/x
  3. Step 3: Cross multiply
    3,023,643.47x = 4,172,628.33 × 1,665,516.47
  4. Step 4: Simplify right side
    3,023,643.47x = 6,949,581,185,940.45
  5. Step 5: Solve for x
    x = 6,949,581,185,940.45/3,023,643.47
  6. Step 6: Final answer
    x = 2,298,412.91

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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.