Home / 2,185,136.64-3,277,706.40-689,345.28

Finding the Fourth Proportional to 2,185,136.64, 3,277,706.40 and 689,345.28

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Solution

The fourth proportional to 2,185,136.64, 3,277,706.40 and 689,345.28 is: 1,034,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,136.64 : 3,277,706.40 = 689,345.28 : x
  2. Step 2: Convert to fraction form
    2,185,136.64/3,277,706.40 = 689,345.28/x
  3. Step 3: Cross multiply
    2,185,136.64x = 3,277,706.40 × 689,345.28
  4. Step 4: Simplify right side
    2,185,136.64x = 2,259,471,436,065.79
  5. Step 5: Solve for x
    x = 2,259,471,436,065.79/2,185,136.64
  6. Step 6: Final answer
    x = 1,034,018.37

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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.