Home / 2,688,659.19-4,031,020.35-1,267,940.25

Finding the Fourth Proportional to 2,688,659.19, 4,031,020.35 and 1,267,940.25

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Solution

The fourth proportional to 2,688,659.19, 4,031,020.35 and 1,267,940.25 is: 1,900,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,659.19 : 4,031,020.35 = 1,267,940.25 : x
  2. Step 2: Convert to fraction form
    2,688,659.19/4,031,020.35 = 1,267,940.25/x
  3. Step 3: Cross multiply
    2,688,659.19x = 4,031,020.35 × 1,267,940.25
  4. Step 4: Simplify right side
    2,688,659.19x = 5,111,092,950,334.09
  5. Step 5: Solve for x
    x = 5,111,092,950,334.09/2,688,659.19
  6. Step 6: Final answer
    x = 1,900,982.08

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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.