Home / 4,679,176.50-7,018,764.75-1,687,360.50

Finding the Fourth Proportional to 4,679,176.50, 7,018,764.75 and 1,687,360.50

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Solution

The fourth proportional to 4,679,176.50, 7,018,764.75 and 1,687,360.50 is: 2,531,040.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,176.50 : 7,018,764.75 = 1,687,360.50 : x
  2. Step 2: Convert to fraction form
    4,679,176.50/7,018,764.75 = 1,687,360.50/x
  3. Step 3: Cross multiply
    4,679,176.50x = 7,018,764.75 × 1,687,360.50
  4. Step 4: Simplify right side
    4,679,176.50x = 11,843,186,397,942.38
  5. Step 5: Solve for x
    x = 11,843,186,397,942.38/4,679,176.50
  6. Step 6: Final answer
    x = 2,531,040.75

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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.