Home / 2,086,586.70-3,136,878.45-1,778,657.10

Finding the Fourth Proportional to 2,086,586.70, 3,136,878.45 and 1,778,657.10

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Solution

The fourth proportional to 2,086,586.70, 3,136,878.45 and 1,778,657.10 is: 2,673,951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,586.70 : 3,136,878.45 = 1,778,657.10 : x
  2. Step 2: Convert to fraction form
    2,086,586.70/3,136,878.45 = 1,778,657.10/x
  3. Step 3: Cross multiply
    2,086,586.70x = 3,136,878.45 × 1,778,657.10
  4. Step 4: Simplify right side
    2,086,586.70x = 5,579,431,126,929.50
  5. Step 5: Solve for x
    x = 5,579,431,126,929.50/2,086,586.70
  6. Step 6: Final answer
    x = 2,673,951.26

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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.