Home / 2,678,270.40-4,017,016.80-784,814.40

Finding the Fourth Proportional to 2,678,270.40, 4,017,016.80 and 784,814.40

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Solution

The fourth proportional to 2,678,270.40, 4,017,016.80 and 784,814.40 is: 1,177,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,270.40 : 4,017,016.80 = 784,814.40 : x
  2. Step 2: Convert to fraction form
    2,678,270.40/4,017,016.80 = 784,814.40/x
  3. Step 3: Cross multiply
    2,678,270.40x = 4,017,016.80 × 784,814.40
  4. Step 4: Simplify right side
    2,678,270.40x = 3,152,612,629,681.92
  5. Step 5: Solve for x
    x = 3,152,612,629,681.92/2,678,270.40
  6. Step 6: Final answer
    x = 1,177,107.67

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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.