Home / 2,136,958.02-3,205,440-620,645.31

Finding the Fourth Proportional to 2,136,958.02, 3,205,440 and 620,645.31

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Solution

The fourth proportional to 2,136,958.02, 3,205,440 and 620,645.31 is: 930,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,958.02 : 3,205,440 = 620,645.31 : x
  2. Step 2: Convert to fraction form
    2,136,958.02/3,205,440 = 620,645.31/x
  3. Step 3: Cross multiply
    2,136,958.02x = 3,205,440 × 620,645.31
  4. Step 4: Simplify right side
    2,136,958.02x = 1,989,441,302,486.40
  5. Step 5: Solve for x
    x = 1,989,441,302,486.40/2,136,958.02
  6. Step 6: Final answer
    x = 930,968.83

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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.