Home / 1,880,997.78-2,595,792.20-1,021,564.19

Finding the Fourth Proportional to 1,880,997.78, 2,595,792.20 and 1,021,564.19

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Solution

The fourth proportional to 1,880,997.78, 2,595,792.20 and 1,021,564.19 is: 1,409,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,997.78 : 2,595,792.20 = 1,021,564.19 : x
  2. Step 2: Convert to fraction form
    1,880,997.78/2,595,792.20 = 1,021,564.19/x
  3. Step 3: Cross multiply
    1,880,997.78x = 2,595,792.20 × 1,021,564.19
  4. Step 4: Simplify right side
    1,880,997.78x = 2,651,768,357,582.98
  5. Step 5: Solve for x
    x = 2,651,768,357,582.98/1,880,997.78
  6. Step 6: Final answer
    x = 1,409,766.87

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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.