Home / 1,684,701.60-2,521,803.60-1,212,309.60

Finding the Fourth Proportional to 1,684,701.60, 2,521,803.60 and 1,212,309.60

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Solution

The fourth proportional to 1,684,701.60, 2,521,803.60 and 1,212,309.60 is: 1,814,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,701.60 : 2,521,803.60 = 1,212,309.60 : x
  2. Step 2: Convert to fraction form
    1,684,701.60/2,521,803.60 = 1,212,309.60/x
  3. Step 3: Cross multiply
    1,684,701.60x = 2,521,803.60 × 1,212,309.60
  4. Step 4: Simplify right side
    1,684,701.60x = 3,057,206,713,594.56
  5. Step 5: Solve for x
    x = 3,057,206,713,594.56/1,684,701.60
  6. Step 6: Final answer
    x = 1,814,687.37

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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.