Home / 6,396,813.90-9,596,881.65-1,909,090.38

Finding the Fourth Proportional to 6,396,813.90, 9,596,881.65 and 1,909,090.38

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Solution

The fourth proportional to 6,396,813.90, 9,596,881.65 and 1,909,090.38 is: 2,864,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396,813.90 : 9,596,881.65 = 1,909,090.38 : x
  2. Step 2: Convert to fraction form
    6,396,813.90/9,596,881.65 = 1,909,090.38/x
  3. Step 3: Cross multiply
    6,396,813.90x = 9,596,881.65 × 1,909,090.38
  4. Step 4: Simplify right side
    6,396,813.90x = 18,321,314,436,013.53
  5. Step 5: Solve for x
    x = 18,321,314,436,013.53/6,396,813.90
  6. Step 6: Final answer
    x = 2,864,131.23

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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.