Home / 2,183,619.18-3,013,363.98-1,216,790.22

Finding the Fourth Proportional to 2,183,619.18, 3,013,363.98 and 1,216,790.22

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Solution

The fourth proportional to 2,183,619.18, 3,013,363.98 and 1,216,790.22 is: 1,679,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,619.18 : 3,013,363.98 = 1,216,790.22 : x
  2. Step 2: Convert to fraction form
    2,183,619.18/3,013,363.98 = 1,216,790.22/x
  3. Step 3: Cross multiply
    2,183,619.18x = 3,013,363.98 × 1,216,790.22
  4. Step 4: Simplify right side
    2,183,619.18x = 3,666,631,820,164.28
  5. Step 5: Solve for x
    x = 3,666,631,820,164.28/2,183,619.18
  6. Step 6: Final answer
    x = 1,679,153.51

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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.