Home / 2,857,118.46-3,942,562.87-1,695,364.50

Finding the Fourth Proportional to 2,857,118.46, 3,942,562.87 and 1,695,364.50

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Solution

The fourth proportional to 2,857,118.46, 3,942,562.87 and 1,695,364.50 is: 2,339,448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,118.46 : 3,942,562.87 = 1,695,364.50 : x
  2. Step 2: Convert to fraction form
    2,857,118.46/3,942,562.87 = 1,695,364.50/x
  3. Step 3: Cross multiply
    2,857,118.46x = 3,942,562.87 × 1,695,364.50
  4. Step 4: Simplify right side
    2,857,118.46x = 6,684,081,128,816.12
  5. Step 5: Solve for x
    x = 6,684,081,128,816.12/2,857,118.46
  6. Step 6: Final answer
    x = 2,339,448.37

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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.