Home / 2,808,039.90-4,212,059.85-914,756.70

Finding the Fourth Proportional to 2,808,039.90, 4,212,059.85 and 914,756.70

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Solution

The fourth proportional to 2,808,039.90, 4,212,059.85 and 914,756.70 is: 1,372,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,039.90 : 4,212,059.85 = 914,756.70 : x
  2. Step 2: Convert to fraction form
    2,808,039.90/4,212,059.85 = 914,756.70/x
  3. Step 3: Cross multiply
    2,808,039.90x = 4,212,059.85 × 914,756.70
  4. Step 4: Simplify right side
    2,808,039.90x = 3,853,009,968,588.49
  5. Step 5: Solve for x
    x = 3,853,009,968,588.49/2,808,039.90
  6. Step 6: Final answer
    x = 1,372,135.05

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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.