Home / 6,821,069.81-10,222,719.39-2,772,828.95

Finding the Fourth Proportional to 6,821,069.81, 10,222,719.39 and 2,772,828.95

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Solution

The fourth proportional to 6,821,069.81, 10,222,719.39 and 2,772,828.95 is: 4,155,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821,069.81 : 10,222,719.39 = 2,772,828.95 : x
  2. Step 2: Convert to fraction form
    6,821,069.81/10,222,719.39 = 2,772,828.95/x
  3. Step 3: Cross multiply
    6,821,069.81x = 10,222,719.39 × 2,772,828.95
  4. Step 4: Simplify right side
    6,821,069.81x = 28,345,852,221,204.74
  5. Step 5: Solve for x
    x = 28,345,852,221,204.74/6,821,069.81
  6. Step 6: Final answer
    x = 4,155,631.45

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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.