Home / 2,560,673.19-3,842,903.43-1,212,838.15

Finding the Fourth Proportional to 2,560,673.19, 3,842,903.43 and 1,212,838.15

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Solution

The fourth proportional to 2,560,673.19, 3,842,903.43 and 1,212,838.15 is: 1,820,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,673.19 : 3,842,903.43 = 1,212,838.15 : x
  2. Step 2: Convert to fraction form
    2,560,673.19/3,842,903.43 = 1,212,838.15/x
  3. Step 3: Cross multiply
    2,560,673.19x = 3,842,903.43 × 1,212,838.15
  4. Step 4: Simplify right side
    2,560,673.19x = 4,660,819,886,669.85
  5. Step 5: Solve for x
    x = 4,660,819,886,669.85/2,560,673.19
  6. Step 6: Final answer
    x = 1,820,154.13

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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.