Home / 4,785,703.75-7,178,555.63-1,419,910.75

Finding the Fourth Proportional to 4,785,703.75, 7,178,555.63 and 1,419,910.75

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Solution

The fourth proportional to 4,785,703.75, 7,178,555.63 and 1,419,910.75 is: 2,129,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,703.75 : 7,178,555.63 = 1,419,910.75 : x
  2. Step 2: Convert to fraction form
    4,785,703.75/7,178,555.63 = 1,419,910.75/x
  3. Step 3: Cross multiply
    4,785,703.75x = 7,178,555.63 × 1,419,910.75
  4. Step 4: Simplify right side
    4,785,703.75x = 10,192,908,308,510.02
  5. Step 5: Solve for x
    x = 10,192,908,308,510.02/4,785,703.75
  6. Step 6: Final answer
    x = 2,129,866.13

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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.