Home / 3,360,065.49-5,038,071.62-1,338,621.39

Finding the Fourth Proportional to 3,360,065.49, 5,038,071.62 and 1,338,621.39

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Solution

The fourth proportional to 3,360,065.49, 5,038,071.62 and 1,338,621.39 is: 2,007,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360,065.49 : 5,038,071.62 = 1,338,621.39 : x
  2. Step 2: Convert to fraction form
    3,360,065.49/5,038,071.62 = 1,338,621.39/x
  3. Step 3: Cross multiply
    3,360,065.49x = 5,038,071.62 × 1,338,621.39
  4. Step 4: Simplify right side
    3,360,065.49x = 6,744,070,428,190.85
  5. Step 5: Solve for x
    x = 6,744,070,428,190.85/3,360,065.49
  6. Step 6: Final answer
    x = 2,007,124.70

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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.