Home / 1,780,889.80-2,457,999.18-1,637,422.60

Finding the Fourth Proportional to 1,780,889.80, 2,457,999.18 and 1,637,422.60

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Solution

The fourth proportional to 1,780,889.80, 2,457,999.18 and 1,637,422.60 is: 2,259,984.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,889.80 : 2,457,999.18 = 1,637,422.60 : x
  2. Step 2: Convert to fraction form
    1,780,889.80/2,457,999.18 = 1,637,422.60/x
  3. Step 3: Cross multiply
    1,780,889.80x = 2,457,999.18 × 1,637,422.60
  4. Step 4: Simplify right side
    1,780,889.80x = 4,024,783,408,113.47
  5. Step 5: Solve for x
    x = 4,024,783,408,113.47/1,780,889.80
  6. Step 6: Final answer
    x = 2,259,984.54

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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.