Home / 2,153,206.65-3,228,254.78-1,206,867.45

Finding the Fourth Proportional to 2,153,206.65, 3,228,254.78 and 1,206,867.45

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Solution

The fourth proportional to 2,153,206.65, 3,228,254.78 and 1,206,867.45 is: 1,809,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,206.65 : 3,228,254.78 = 1,206,867.45 : x
  2. Step 2: Convert to fraction form
    2,153,206.65/3,228,254.78 = 1,206,867.45/x
  3. Step 3: Cross multiply
    2,153,206.65x = 3,228,254.78 × 1,206,867.45
  4. Step 4: Simplify right side
    2,153,206.65x = 3,896,075,608,254.57
  5. Step 5: Solve for x
    x = 3,896,075,608,254.57/2,153,206.65
  6. Step 6: Final answer
    x = 1,809,429.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.