Home / 2,814,684.35-4,222,029.60-684,768.47

Finding the Fourth Proportional to 2,814,684.35, 4,222,029.60 and 684,768.47

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Solution

The fourth proportional to 2,814,684.35, 4,222,029.60 and 684,768.47 is: 1,027,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814,684.35 : 4,222,029.60 = 684,768.47 : x
  2. Step 2: Convert to fraction form
    2,814,684.35/4,222,029.60 = 684,768.47/x
  3. Step 3: Cross multiply
    2,814,684.35x = 4,222,029.60 × 684,768.47
  4. Step 4: Simplify right side
    2,814,684.35x = 2,891,112,749,486.71
  5. Step 5: Solve for x
    x = 2,891,112,749,486.71/2,814,684.35
  6. Step 6: Final answer
    x = 1,027,153.45

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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.