Home / 3,360,007.80-5,040,011.70-3,178,049.40

Finding the Fourth Proportional to 3,360,007.80, 5,040,011.70 and 3,178,049.40

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Solution

The fourth proportional to 3,360,007.80, 5,040,011.70 and 3,178,049.40 is: 4,767,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360,007.80 : 5,040,011.70 = 3,178,049.40 : x
  2. Step 2: Convert to fraction form
    3,360,007.80/5,040,011.70 = 3,178,049.40/x
  3. Step 3: Cross multiply
    3,360,007.80x = 5,040,011.70 × 3,178,049.40
  4. Step 4: Simplify right side
    3,360,007.80x = 16,017,406,159,177.98
  5. Step 5: Solve for x
    x = 16,017,406,159,177.98/3,360,007.80
  6. Step 6: Final answer
    x = 4,767,074.10

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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.