Home / 3,458,005.28-5,187,256.93-1,328,089.40

Finding the Fourth Proportional to 3,458,005.28, 5,187,256.93 and 1,328,089.40

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Solution

The fourth proportional to 3,458,005.28, 5,187,256.93 and 1,328,089.40 is: 1,992,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,005.28 : 5,187,256.93 = 1,328,089.40 : x
  2. Step 2: Convert to fraction form
    3,458,005.28/5,187,256.93 = 1,328,089.40/x
  3. Step 3: Cross multiply
    3,458,005.28x = 5,187,256.93 × 1,328,089.40
  4. Step 4: Simplify right side
    3,458,005.28x = 6,889,140,931,515.08
  5. Step 5: Solve for x
    x = 6,889,140,931,515.08/3,458,005.28
  6. Step 6: Final answer
    x = 1,992,229.73

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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.