Home / 3,878,823.72-5,814,243.44-1,720,865.12

Finding the Fourth Proportional to 3,878,823.72, 5,814,243.44 and 1,720,865.12

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Solution

The fourth proportional to 3,878,823.72, 5,814,243.44 and 1,720,865.12 is: 2,579,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,823.72 : 5,814,243.44 = 1,720,865.12 : x
  2. Step 2: Convert to fraction form
    3,878,823.72/5,814,243.44 = 1,720,865.12/x
  3. Step 3: Cross multiply
    3,878,823.72x = 5,814,243.44 × 1,720,865.12
  4. Step 4: Simplify right side
    3,878,823.72x = 10,005,528,735,084.81
  5. Step 5: Solve for x
    x = 10,005,528,735,084.81/3,878,823.72
  6. Step 6: Final answer
    x = 2,579,526.54

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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.