Home / 2,782,140.24-4,172,728.50-836,840.64

Finding the Fourth Proportional to 2,782,140.24, 4,172,728.50 and 836,840.64

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Solution

The fourth proportional to 2,782,140.24, 4,172,728.50 and 836,840.64 is: 1,255,116.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,140.24 : 4,172,728.50 = 836,840.64 : x
  2. Step 2: Convert to fraction form
    2,782,140.24/4,172,728.50 = 836,840.64/x
  3. Step 3: Cross multiply
    2,782,140.24x = 4,172,728.50 × 836,840.64
  4. Step 4: Simplify right side
    2,782,140.24x = 3,491,908,788,486.24
  5. Step 5: Solve for x
    x = 3,491,908,788,486.24/2,782,140.24
  6. Step 6: Final answer
    x = 1,255,116.02

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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.