Home / 5,144,394.78-7,715,840.90-1,500,145.43

Finding the Fourth Proportional to 5,144,394.78, 7,715,840.90 and 1,500,145.43

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Solution

The fourth proportional to 5,144,394.78, 7,715,840.90 and 1,500,145.43 is: 2,249,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144,394.78 : 7,715,840.90 = 1,500,145.43 : x
  2. Step 2: Convert to fraction form
    5,144,394.78/7,715,840.90 = 1,500,145.43/x
  3. Step 3: Cross multiply
    5,144,394.78x = 7,715,840.90 × 1,500,145.43
  4. Step 4: Simplify right side
    5,144,394.78x = 11,574,883,418,662.15
  5. Step 5: Solve for x
    x = 11,574,883,418,662.15/5,144,394.78
  6. Step 6: Final answer
    x = 2,249,999.06

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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.