Home / 1,691,927.34-2,531,960.29-1,212,683.35

Finding the Fourth Proportional to 1,691,927.34, 2,531,960.29 and 1,212,683.35

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Solution

The fourth proportional to 1,691,927.34, 2,531,960.29 and 1,212,683.35 is: 1,814,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,927.34 : 2,531,960.29 = 1,212,683.35 : x
  2. Step 2: Convert to fraction form
    1,691,927.34/2,531,960.29 = 1,212,683.35/x
  3. Step 3: Cross multiply
    1,691,927.34x = 2,531,960.29 × 1,212,683.35
  4. Step 4: Simplify right side
    1,691,927.34x = 3,070,466,086,544.17
  5. Step 5: Solve for x
    x = 3,070,466,086,544.17/1,691,927.34
  6. Step 6: Final answer
    x = 1,814,774.20

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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.