Home / 2,183,659.28-3,013,419.12-1,216,830.32

Finding the Fourth Proportional to 2,183,659.28, 3,013,419.12 and 1,216,830.32

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Solution

The fourth proportional to 2,183,659.28, 3,013,419.12 and 1,216,830.32 is: 1,679,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,659.28 : 3,013,419.12 = 1,216,830.32 : x
  2. Step 2: Convert to fraction form
    2,183,659.28/3,013,419.12 = 1,216,830.32/x
  3. Step 3: Cross multiply
    2,183,659.28x = 3,013,419.12 × 1,216,830.32
  4. Step 4: Simplify right side
    2,183,659.28x = 3,666,819,752,083.72
  5. Step 5: Solve for x
    x = 3,666,819,752,083.72/2,183,659.28
  6. Step 6: Final answer
    x = 1,679,208.74

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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.