Home / 3,090,703.09-4,635,982.27-816,386.21

Finding the Fourth Proportional to 3,090,703.09, 4,635,982.27 and 816,386.21

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Solution

The fourth proportional to 3,090,703.09, 4,635,982.27 and 816,386.21 is: 1,224,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,703.09 : 4,635,982.27 = 816,386.21 : x
  2. Step 2: Convert to fraction form
    3,090,703.09/4,635,982.27 = 816,386.21/x
  3. Step 3: Cross multiply
    3,090,703.09x = 4,635,982.27 × 816,386.21
  4. Step 4: Simplify right side
    3,090,703.09x = 3,784,751,995,032.50
  5. Step 5: Solve for x
    x = 3,784,751,995,032.50/3,090,703.09
  6. Step 6: Final answer
    x = 1,224,560.20

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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.