Home / 3,178,394.40-4,759,718.40-2,039,404.80

Finding the Fourth Proportional to 3,178,394.40, 4,759,718.40 and 2,039,404.80

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Solution

The fourth proportional to 3,178,394.40, 4,759,718.40 and 2,039,404.80 is: 3,054,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,394.40 : 4,759,718.40 = 2,039,404.80 : x
  2. Step 2: Convert to fraction form
    3,178,394.40/4,759,718.40 = 2,039,404.80/x
  3. Step 3: Cross multiply
    3,178,394.40x = 4,759,718.40 × 2,039,404.80
  4. Step 4: Simplify right side
    3,178,394.40x = 9,706,992,551,608.32
  5. Step 5: Solve for x
    x = 9,706,992,551,608.32/3,178,394.40
  6. Step 6: Final answer
    x = 3,054,055.39

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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.