Home / 2,628,991.60-3,943,487.40-945,876.40

Finding the Fourth Proportional to 2,628,991.60, 3,943,487.40 and 945,876.40

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Solution

The fourth proportional to 2,628,991.60, 3,943,487.40 and 945,876.40 is: 1,418,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,991.60 : 3,943,487.40 = 945,876.40 : x
  2. Step 2: Convert to fraction form
    2,628,991.60/3,943,487.40 = 945,876.40/x
  3. Step 3: Cross multiply
    2,628,991.60x = 3,943,487.40 × 945,876.40
  4. Step 4: Simplify right side
    2,628,991.60x = 3,730,051,665,357.36
  5. Step 5: Solve for x
    x = 3,730,051,665,357.36/2,628,991.60
  6. Step 6: Final answer
    x = 1,418,814.60

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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.