Home / 2,172,147.16-3,258,747.14-655,739.38

Finding the Fourth Proportional to 2,172,147.16, 3,258,747.14 and 655,739.38

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Solution

The fourth proportional to 2,172,147.16, 3,258,747.14 and 655,739.38 is: 983,767.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,147.16 : 3,258,747.14 = 655,739.38 : x
  2. Step 2: Convert to fraction form
    2,172,147.16/3,258,747.14 = 655,739.38/x
  3. Step 3: Cross multiply
    2,172,147.16x = 3,258,747.14 × 655,739.38
  4. Step 4: Simplify right side
    2,172,147.16x = 2,136,888,829,160.37
  5. Step 5: Solve for x
    x = 2,136,888,829,160.37/2,172,147.16
  6. Step 6: Final answer
    x = 983,767.98

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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.