Home / 5,105,386.28-7,045,580.70-2,813,694.60

Finding the Fourth Proportional to 5,105,386.28, 7,045,580.70 and 2,813,694.60

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Solution

The fourth proportional to 5,105,386.28, 7,045,580.70 and 2,813,694.60 is: 3,882,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,386.28 : 7,045,580.70 = 2,813,694.60 : x
  2. Step 2: Convert to fraction form
    5,105,386.28/7,045,580.70 = 2,813,694.60/x
  3. Step 3: Cross multiply
    5,105,386.28x = 7,045,580.70 × 2,813,694.60
  4. Step 4: Simplify right side
    5,105,386.28x = 19,824,112,369,454.22
  5. Step 5: Solve for x
    x = 19,824,112,369,454.22/5,105,386.28
  6. Step 6: Final answer
    x = 3,882,979.91

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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.