Home / 5,397,078.90-8,090,434.35-3,120,266.10

Finding the Fourth Proportional to 5,397,078.90, 8,090,434.35 and 3,120,266.10

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Solution

The fourth proportional to 5,397,078.90, 8,090,434.35 and 3,120,266.10 is: 4,677,402.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397,078.90 : 8,090,434.35 = 3,120,266.10 : x
  2. Step 2: Convert to fraction form
    5,397,078.90/8,090,434.35 = 3,120,266.10/x
  3. Step 3: Cross multiply
    5,397,078.90x = 8,090,434.35 × 3,120,266.10
  4. Step 4: Simplify right side
    5,397,078.90x = 25,244,308,036,580.54
  5. Step 5: Solve for x
    x = 25,244,308,036,580.54/5,397,078.90
  6. Step 6: Final answer
    x = 4,677,402.07

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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.