Home / 1,969,810.77-2,718,571.02-1,098,782.67

Finding the Fourth Proportional to 1,969,810.77, 2,718,571.02 and 1,098,782.67

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Solution

The fourth proportional to 1,969,810.77, 2,718,571.02 and 1,098,782.67 is: 1,516,449.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,810.77 : 2,718,571.02 = 1,098,782.67 : x
  2. Step 2: Convert to fraction form
    1,969,810.77/2,718,571.02 = 1,098,782.67/x
  3. Step 3: Cross multiply
    1,969,810.77x = 2,718,571.02 × 1,098,782.67
  4. Step 4: Simplify right side
    1,969,810.77x = 2,987,118,723,940.22
  5. Step 5: Solve for x
    x = 2,987,118,723,940.22/1,969,810.77
  6. Step 6: Final answer
    x = 1,516,449.58

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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.