Home / 2,183,472.12-3,013,151.40-1,216,581.60

Finding the Fourth Proportional to 2,183,472.12, 3,013,151.40 and 1,216,581.60

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Solution

The fourth proportional to 2,183,472.12, 3,013,151.40 and 1,216,581.60 is: 1,678,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,472.12 : 3,013,151.40 = 1,216,581.60 : x
  2. Step 2: Convert to fraction form
    2,183,472.12/3,013,151.40 = 1,216,581.60/x
  3. Step 3: Cross multiply
    2,183,472.12x = 3,013,151.40 × 1,216,581.60
  4. Step 4: Simplify right side
    2,183,472.12x = 3,665,744,551,254.24
  5. Step 5: Solve for x
    x = 3,665,744,551,254.24/2,183,472.12
  6. Step 6: Final answer
    x = 1,678,860.25

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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.