Home / 1,869,996.78-2,579,670.99-1,172,151.81

Finding the Fourth Proportional to 1,869,996.78, 2,579,670.99 and 1,172,151.81

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Solution

The fourth proportional to 1,869,996.78, 2,579,670.99 and 1,172,151.81 is: 1,616,989.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,996.78 : 2,579,670.99 = 1,172,151.81 : x
  2. Step 2: Convert to fraction form
    1,869,996.78/2,579,670.99 = 1,172,151.81/x
  3. Step 3: Cross multiply
    1,869,996.78x = 2,579,670.99 × 1,172,151.81
  4. Step 4: Simplify right side
    1,869,996.78x = 3,023,766,020,132.99
  5. Step 5: Solve for x
    x = 3,023,766,020,132.99/1,869,996.78
  6. Step 6: Final answer
    x = 1,616,989.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.