Home / 5,538,064.80-8,302,431.60-2,878,672.80

Finding the Fourth Proportional to 5,538,064.80, 8,302,431.60 and 2,878,672.80

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Solution

The fourth proportional to 5,538,064.80, 8,302,431.60 and 2,878,672.80 is: 4,315,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538,064.80 : 8,302,431.60 = 2,878,672.80 : x
  2. Step 2: Convert to fraction form
    5,538,064.80/8,302,431.60 = 2,878,672.80/x
  3. Step 3: Cross multiply
    5,538,064.80x = 8,302,431.60 × 2,878,672.80
  4. Step 4: Simplify right side
    5,538,064.80x = 23,899,984,020,780.48
  5. Step 5: Solve for x
    x = 23,899,984,020,780.48/5,538,064.80
  6. Step 6: Final answer
    x = 4,315,584.03

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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.