Home / 3,142,181.76-4,336,241.28-1,784,085.12

Finding the Fourth Proportional to 3,142,181.76, 4,336,241.28 and 1,784,085.12

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Solution

The fourth proportional to 3,142,181.76, 4,336,241.28 and 1,784,085.12 is: 2,462,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,181.76 : 4,336,241.28 = 1,784,085.12 : x
  2. Step 2: Convert to fraction form
    3,142,181.76/4,336,241.28 = 1,784,085.12/x
  3. Step 3: Cross multiply
    3,142,181.76x = 4,336,241.28 × 1,784,085.12
  4. Step 4: Simplify right side
    3,142,181.76x = 7,736,223,544,377.76
  5. Step 5: Solve for x
    x = 7,736,223,544,377.76/3,142,181.76
  6. Step 6: Final answer
    x = 2,462,054.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.