Home / 2,129,491.51-3,194,264.95-613,199.32

Finding the Fourth Proportional to 2,129,491.51, 3,194,264.95 and 613,199.32

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Solution

The fourth proportional to 2,129,491.51, 3,194,264.95 and 613,199.32 is: 919,806.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,491.51 : 3,194,264.95 = 613,199.32 : x
  2. Step 2: Convert to fraction form
    2,129,491.51/3,194,264.95 = 613,199.32/x
  3. Step 3: Cross multiply
    2,129,491.51x = 3,194,264.95 × 613,199.32
  4. Step 4: Simplify right side
    2,129,491.51x = 1,958,721,085,721.17
  5. Step 5: Solve for x
    x = 1,958,721,085,721.17/2,129,491.51
  6. Step 6: Final answer
    x = 919,806.95

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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.