Home / 2,811,912.63-3,879,340.86-1,634,315.85

Finding the Fourth Proportional to 2,811,912.63, 3,879,340.86 and 1,634,315.85

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Solution

The fourth proportional to 2,811,912.63, 3,879,340.86 and 1,634,315.85 is: 2,254,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,912.63 : 3,879,340.86 = 1,634,315.85 : x
  2. Step 2: Convert to fraction form
    2,811,912.63/3,879,340.86 = 1,634,315.85/x
  3. Step 3: Cross multiply
    2,811,912.63x = 3,879,340.86 × 1,634,315.85
  4. Step 4: Simplify right side
    2,811,912.63x = 6,340,068,227,482.35
  5. Step 5: Solve for x
    x = 6,340,068,227,482.35/2,811,912.63
  6. Step 6: Final answer
    x = 2,254,717.36

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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.