Home / 2,338,412.40-3,504,994.20-990,345.60

Finding the Fourth Proportional to 2,338,412.40, 3,504,994.20 and 990,345.60

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Solution

The fourth proportional to 2,338,412.40, 3,504,994.20 and 990,345.60 is: 1,484,406.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338,412.40 : 3,504,994.20 = 990,345.60 : x
  2. Step 2: Convert to fraction form
    2,338,412.40/3,504,994.20 = 990,345.60/x
  3. Step 3: Cross multiply
    2,338,412.40x = 3,504,994.20 × 990,345.60
  4. Step 4: Simplify right side
    2,338,412.40x = 3,471,155,583,995.52
  5. Step 5: Solve for x
    x = 3,471,155,583,995.52/2,338,412.40
  6. Step 6: Final answer
    x = 1,484,406.94

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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.