Home / 2,187,116.36-3,280,693.94-670,806.36

Finding the Fourth Proportional to 2,187,116.36, 3,280,693.94 and 670,806.36

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Solution

The fourth proportional to 2,187,116.36, 3,280,693.94 and 670,806.36 is: 1,006,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,116.36 : 3,280,693.94 = 670,806.36 : x
  2. Step 2: Convert to fraction form
    2,187,116.36/3,280,693.94 = 670,806.36/x
  3. Step 3: Cross multiply
    2,187,116.36x = 3,280,693.94 × 670,806.36
  4. Step 4: Simplify right side
    2,187,116.36x = 2,200,710,360,165.46
  5. Step 5: Solve for x
    x = 2,200,710,360,165.46/2,187,116.36
  6. Step 6: Final answer
    x = 1,006,215.49

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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.