Home / 5,147,526.78-7,721,344.85-1,553,325.35

Finding the Fourth Proportional to 5,147,526.78, 7,721,344.85 and 1,553,325.35

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Solution

The fourth proportional to 5,147,526.78, 7,721,344.85 and 1,553,325.35 is: 2,330,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,526.78 : 7,721,344.85 = 1,553,325.35 : x
  2. Step 2: Convert to fraction form
    5,147,526.78/7,721,344.85 = 1,553,325.35/x
  3. Step 3: Cross multiply
    5,147,526.78x = 7,721,344.85 × 1,553,325.35
  4. Step 4: Simplify right side
    5,147,526.78x = 11,993,760,645,223.60
  5. Step 5: Solve for x
    x = 11,993,760,645,223.60/5,147,526.78
  6. Step 6: Final answer
    x = 2,330,004.52

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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.