Home / 2,129,403.84-3,191,447.55-1,064,750.37

Finding the Fourth Proportional to 2,129,403.84, 3,191,447.55 and 1,064,750.37

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Solution

The fourth proportional to 2,129,403.84, 3,191,447.55 and 1,064,750.37 is: 1,595,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,403.84 : 3,191,447.55 = 1,064,750.37 : x
  2. Step 2: Convert to fraction form
    2,129,403.84/3,191,447.55 = 1,064,750.37/x
  3. Step 3: Cross multiply
    2,129,403.84x = 3,191,447.55 × 1,064,750.37
  4. Step 4: Simplify right side
    2,129,403.84x = 3,398,094,959,698.09
  5. Step 5: Solve for x
    x = 3,398,094,959,698.09/2,129,403.84
  6. Step 6: Final answer
    x = 1,595,796.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.