Home / 3,106,782.27-4,286,332.08-1,816,709.45

Finding the Fourth Proportional to 3,106,782.27, 4,286,332.08 and 1,816,709.45

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Solution

The fourth proportional to 3,106,782.27, 4,286,332.08 and 1,816,709.45 is: 2,506,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106,782.27 : 4,286,332.08 = 1,816,709.45 : x
  2. Step 2: Convert to fraction form
    3,106,782.27/4,286,332.08 = 1,816,709.45/x
  3. Step 3: Cross multiply
    3,106,782.27x = 4,286,332.08 × 1,816,709.45
  4. Step 4: Simplify right side
    3,106,782.27x = 7,787,019,974,142.50
  5. Step 5: Solve for x
    x = 7,787,019,974,142.50/3,106,782.27
  6. Step 6: Final answer
    x = 2,506,458.23

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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.