Home / 3,938,624-5,877,021.76-3,697,879.04

Finding the Fourth Proportional to 3,938,624, 5,877,021.76 and 3,697,879.04

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Solution

The fourth proportional to 3,938,624, 5,877,021.76 and 3,697,879.04 is: 5,517,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,624 : 5,877,021.76 = 3,697,879.04 : x
  2. Step 2: Convert to fraction form
    3,938,624/5,877,021.76 = 3,697,879.04/x
  3. Step 3: Cross multiply
    3,938,624x = 5,877,021.76 × 3,697,879.04
  4. Step 4: Simplify right side
    3,938,624x = 21,732,515,583,927.91
  5. Step 5: Solve for x
    x = 21,732,515,583,927.91/3,938,624
  6. Step 6: Final answer
    x = 5,517,793.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.