Home / 2,074,205.65-2,861,386.40-1,386,046.45

Finding the Fourth Proportional to 2,074,205.65, 2,861,386.40 and 1,386,046.45

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Solution

The fourth proportional to 2,074,205.65, 2,861,386.40 and 1,386,046.45 is: 1,912,064.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,205.65 : 2,861,386.40 = 1,386,046.45 : x
  2. Step 2: Convert to fraction form
    2,074,205.65/2,861,386.40 = 1,386,046.45/x
  3. Step 3: Cross multiply
    2,074,205.65x = 2,861,386.40 × 1,386,046.45
  4. Step 4: Simplify right side
    2,074,205.65x = 3,966,014,447,022.94
  5. Step 5: Solve for x
    x = 3,966,014,447,022.94/2,074,205.65
  6. Step 6: Final answer
    x = 1,912,064.24

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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.