Home / 5,479,837.70-8,220,922.95-1,693,703.30

Finding the Fourth Proportional to 5,479,837.70, 8,220,922.95 and 1,693,703.30

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Solution

The fourth proportional to 5,479,837.70, 8,220,922.95 and 1,693,703.30 is: 2,540,915.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,837.70 : 8,220,922.95 = 1,693,703.30 : x
  2. Step 2: Convert to fraction form
    5,479,837.70/8,220,922.95 = 1,693,703.30/x
  3. Step 3: Cross multiply
    5,479,837.70x = 8,220,922.95 × 1,693,703.30
  4. Step 4: Simplify right side
    5,479,837.70x = 13,923,804,329,460.74
  5. Step 5: Solve for x
    x = 13,923,804,329,460.74/5,479,837.70
  6. Step 6: Final answer
    x = 2,540,915.46

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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.