Home / 5,105,375.09-7,045,565.27-2,813,683.40

Finding the Fourth Proportional to 5,105,375.09, 7,045,565.27 and 2,813,683.40

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Solution

The fourth proportional to 5,105,375.09, 7,045,565.27 and 2,813,683.40 is: 3,882,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,375.09 : 7,045,565.27 = 2,813,683.40 : x
  2. Step 2: Convert to fraction form
    5,105,375.09/7,045,565.27 = 2,813,683.40/x
  3. Step 3: Cross multiply
    5,105,375.09x = 7,045,565.27 × 2,813,683.40
  4. Step 4: Simplify right side
    5,105,375.09x = 19,823,989,994,519.27
  5. Step 5: Solve for x
    x = 19,823,989,994,519.27/5,105,375.09
  6. Step 6: Final answer
    x = 3,882,964.46

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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.