Home / 3,090,700.34-4,635,978.15-816,383.46

Finding the Fourth Proportional to 3,090,700.34, 4,635,978.15 and 816,383.46

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Solution

The fourth proportional to 3,090,700.34, 4,635,978.15 and 816,383.46 is: 1,224,556.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,700.34 : 4,635,978.15 = 816,383.46 : x
  2. Step 2: Convert to fraction form
    3,090,700.34/4,635,978.15 = 816,383.46/x
  3. Step 3: Cross multiply
    3,090,700.34x = 4,635,978.15 × 816,383.46
  4. Step 4: Simplify right side
    3,090,700.34x = 3,784,735,872,358.22
  5. Step 5: Solve for x
    x = 3,784,735,872,358.22/3,090,700.34
  6. Step 6: Final answer
    x = 1,224,556.07

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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.