Home / 2,136,740.30-3,205,110.45-640,832.30

Finding the Fourth Proportional to 2,136,740.30, 3,205,110.45 and 640,832.30

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Solution

The fourth proportional to 2,136,740.30, 3,205,110.45 and 640,832.30 is: 961,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,740.30 : 3,205,110.45 = 640,832.30 : x
  2. Step 2: Convert to fraction form
    2,136,740.30/3,205,110.45 = 640,832.30/x
  3. Step 3: Cross multiply
    2,136,740.30x = 3,205,110.45 × 640,832.30
  4. Step 4: Simplify right side
    2,136,740.30x = 2,053,938,301,427.54
  5. Step 5: Solve for x
    x = 2,053,938,301,427.54/2,136,740.30
  6. Step 6: Final answer
    x = 961,248.45

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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.