Home / 2,187,647.33-3,018,953.90-1,207,586.94

Finding the Fourth Proportional to 2,187,647.33, 3,018,953.90 and 1,207,586.94

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Solution

The fourth proportional to 2,187,647.33, 3,018,953.90 and 1,207,586.94 is: 1,666,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,647.33 : 3,018,953.90 = 1,207,586.94 : x
  2. Step 2: Convert to fraction form
    2,187,647.33/3,018,953.90 = 1,207,586.94/x
  3. Step 3: Cross multiply
    2,187,647.33x = 3,018,953.90 × 1,207,586.94
  4. Step 4: Simplify right side
    2,187,647.33x = 3,645,649,302,102.07
  5. Step 5: Solve for x
    x = 3,645,649,302,102.07/2,187,647.33
  6. Step 6: Final answer
    x = 1,666,470.30

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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.