Home / 2,381,130.81-3,282,833.71-1,718,286.45

Finding the Fourth Proportional to 2,381,130.81, 3,282,833.71 and 1,718,286.45

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Solution

The fourth proportional to 2,381,130.81, 3,282,833.71 and 1,718,286.45 is: 2,368,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381,130.81 : 3,282,833.71 = 1,718,286.45 : x
  2. Step 2: Convert to fraction form
    2,381,130.81/3,282,833.71 = 1,718,286.45/x
  3. Step 3: Cross multiply
    2,381,130.81x = 3,282,833.71 × 1,718,286.45
  4. Step 4: Simplify right side
    2,381,130.81x = 5,640,848,671,333.46
  5. Step 5: Solve for x
    x = 5,640,848,671,333.46/2,381,130.81
  6. Step 6: Final answer
    x = 2,368,978.91

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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.