Home / 2,091,420.25-3,136,466.07-671,144.18

Finding the Fourth Proportional to 2,091,420.25, 3,136,466.07 and 671,144.18

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Solution

The fourth proportional to 2,091,420.25, 3,136,466.07 and 671,144.18 is: 1,006,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,420.25 : 3,136,466.07 = 671,144.18 : x
  2. Step 2: Convert to fraction form
    2,091,420.25/3,136,466.07 = 671,144.18/x
  3. Step 3: Cross multiply
    2,091,420.25x = 3,136,466.07 × 671,144.18
  4. Step 4: Simplify right side
    2,091,420.25x = 2,105,020,929,609.92
  5. Step 5: Solve for x
    x = 2,105,020,929,609.92/2,091,420.25
  6. Step 6: Final answer
    x = 1,006,503.09

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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.