Home / 3,112,486.02-4,669,137.36-1,218,981.42

Finding the Fourth Proportional to 3,112,486.02, 4,669,137.36 and 1,218,981.42

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Solution

The fourth proportional to 3,112,486.02, 4,669,137.36 and 1,218,981.42 is: 1,828,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,486.02 : 4,669,137.36 = 1,218,981.42 : x
  2. Step 2: Convert to fraction form
    3,112,486.02/4,669,137.36 = 1,218,981.42/x
  3. Step 3: Cross multiply
    3,112,486.02x = 4,669,137.36 × 1,218,981.42
  4. Step 4: Simplify right side
    3,112,486.02x = 5,691,591,689,267.85
  5. Step 5: Solve for x
    x = 5,691,591,689,267.85/3,112,486.02
  6. Step 6: Final answer
    x = 1,828,632.05

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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.