Home / 3,147,206.70-4,720,810.05-1,018,818.30

Finding the Fourth Proportional to 3,147,206.70, 4,720,810.05 and 1,018,818.30

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Solution

The fourth proportional to 3,147,206.70, 4,720,810.05 and 1,018,818.30 is: 1,528,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,206.70 : 4,720,810.05 = 1,018,818.30 : x
  2. Step 2: Convert to fraction form
    3,147,206.70/4,720,810.05 = 1,018,818.30/x
  3. Step 3: Cross multiply
    3,147,206.70x = 4,720,810.05 × 1,018,818.30
  4. Step 4: Simplify right side
    3,147,206.70x = 4,809,647,669,763.92
  5. Step 5: Solve for x
    x = 4,809,647,669,763.92/3,147,206.70
  6. Step 6: Final answer
    x = 1,528,227.45

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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.