Home / 2,020,849.56-2,784,035.21-1,407,893.60

Finding the Fourth Proportional to 2,020,849.56, 2,784,035.21 and 1,407,893.60

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Solution

The fourth proportional to 2,020,849.56, 2,784,035.21 and 1,407,893.60 is: 1,939,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,849.56 : 2,784,035.21 = 1,407,893.60 : x
  2. Step 2: Convert to fraction form
    2,020,849.56/2,784,035.21 = 1,407,893.60/x
  3. Step 3: Cross multiply
    2,020,849.56x = 2,784,035.21 × 1,407,893.60
  4. Step 4: Simplify right side
    2,020,849.56x = 3,919,625,354,254.28
  5. Step 5: Solve for x
    x = 3,919,625,354,254.28/2,020,849.56
  6. Step 6: Final answer
    x = 1,939,592.85

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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.