Home / 3,106,791.27-4,286,344.50-1,816,718.45

Finding the Fourth Proportional to 3,106,791.27, 4,286,344.50 and 1,816,718.45

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Solution

The fourth proportional to 3,106,791.27, 4,286,344.50 and 1,816,718.45 is: 2,506,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106,791.27 : 4,286,344.50 = 1,816,718.45 : x
  2. Step 2: Convert to fraction form
    3,106,791.27/4,286,344.50 = 1,816,718.45/x
  3. Step 3: Cross multiply
    3,106,791.27x = 4,286,344.50 × 1,816,718.45
  4. Step 4: Simplify right side
    3,106,791.27x = 7,787,081,114,774.30
  5. Step 5: Solve for x
    x = 7,787,081,114,774.30/3,106,791.27
  6. Step 6: Final answer
    x = 2,506,470.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.