Home / 3,220,145.60-4,830,866.40-945,665.60

Finding the Fourth Proportional to 3,220,145.60, 4,830,866.40 and 945,665.60

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Solution

The fourth proportional to 3,220,145.60, 4,830,866.40 and 945,665.60 is: 1,418,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,145.60 : 4,830,866.40 = 945,665.60 : x
  2. Step 2: Convert to fraction form
    3,220,145.60/4,830,866.40 = 945,665.60/x
  3. Step 3: Cross multiply
    3,220,145.60x = 4,830,866.40 × 945,665.60
  4. Step 4: Simplify right side
    3,220,145.60x = 4,568,384,172,675.84
  5. Step 5: Solve for x
    x = 4,568,384,172,675.84/3,220,145.60
  6. Step 6: Final answer
    x = 1,418,688.70

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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.