Home / 2,810,506.20-4,215,321.90-788,551.80

Finding the Fourth Proportional to 2,810,506.20, 4,215,321.90 and 788,551.80

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Solution

The fourth proportional to 2,810,506.20, 4,215,321.90 and 788,551.80 is: 1,182,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,506.20 : 4,215,321.90 = 788,551.80 : x
  2. Step 2: Convert to fraction form
    2,810,506.20/4,215,321.90 = 788,551.80/x
  3. Step 3: Cross multiply
    2,810,506.20x = 4,215,321.90 × 788,551.80
  4. Step 4: Simplify right side
    2,810,506.20x = 3,323,999,671,824.42
  5. Step 5: Solve for x
    x = 3,323,999,671,824.42/2,810,506.20
  6. Step 6: Final answer
    x = 1,182,704.98

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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.