Home / 3,286,911.35-4,535,679.42-1,816,758.11

Finding the Fourth Proportional to 3,286,911.35, 4,535,679.42 and 1,816,758.11

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Solution

The fourth proportional to 3,286,911.35, 4,535,679.42 and 1,816,758.11 is: 2,506,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,911.35 : 4,535,679.42 = 1,816,758.11 : x
  2. Step 2: Convert to fraction form
    3,286,911.35/4,535,679.42 = 1,816,758.11/x
  3. Step 3: Cross multiply
    3,286,911.35x = 4,535,679.42 × 1,816,758.11
  4. Step 4: Simplify right side
    3,286,911.35x = 8,240,232,370,645.10
  5. Step 5: Solve for x
    x = 8,240,232,370,645.10/3,286,911.35
  6. Step 6: Final answer
    x = 2,506,983.45

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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.