Home / 5,390,403.40-8,083,636.80-1,796,287.60

Finding the Fourth Proportional to 5,390,403.40, 8,083,636.80 and 1,796,287.60

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Solution

The fourth proportional to 5,390,403.40, 8,083,636.80 and 1,796,287.60 is: 2,693,775.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,403.40 : 8,083,636.80 = 1,796,287.60 : x
  2. Step 2: Convert to fraction form
    5,390,403.40/8,083,636.80 = 1,796,287.60/x
  3. Step 3: Cross multiply
    5,390,403.40x = 8,083,636.80 × 1,796,287.60
  4. Step 4: Simplify right side
    5,390,403.40x = 14,520,536,546,743.68
  5. Step 5: Solve for x
    x = 14,520,536,546,743.68/5,390,403.40
  6. Step 6: Final answer
    x = 2,693,775.49

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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.