Home / 3,888,011.94-5,365,459.80-2,169,132.78

Finding the Fourth Proportional to 3,888,011.94, 5,365,459.80 and 2,169,132.78

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Solution

The fourth proportional to 3,888,011.94, 5,365,459.80 and 2,169,132.78 is: 2,993,405.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,011.94 : 5,365,459.80 = 2,169,132.78 : x
  2. Step 2: Convert to fraction form
    3,888,011.94/5,365,459.80 = 2,169,132.78/x
  3. Step 3: Cross multiply
    3,888,011.94x = 5,365,459.80 × 2,169,132.78
  4. Step 4: Simplify right side
    3,888,011.94x = 11,638,394,731,952.24
  5. Step 5: Solve for x
    x = 11,638,394,731,952.24/3,888,011.94
  6. Step 6: Final answer
    x = 2,993,405.09

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1.5x scale

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.