Home / 2,927,775.20-4,040,329.32-1,638,615.52

Finding the Fourth Proportional to 2,927,775.20, 4,040,329.32 and 1,638,615.52

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Solution

The fourth proportional to 2,927,775.20, 4,040,329.32 and 1,638,615.52 is: 2,261,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,775.20 : 4,040,329.32 = 1,638,615.52 : x
  2. Step 2: Convert to fraction form
    2,927,775.20/4,040,329.32 = 1,638,615.52/x
  3. Step 3: Cross multiply
    2,927,775.20x = 4,040,329.32 × 1,638,615.52
  4. Step 4: Simplify right side
    2,927,775.20x = 6,620,546,329,663.05
  5. Step 5: Solve for x
    x = 6,620,546,329,663.05/2,927,775.20
  6. Step 6: Final answer
    x = 2,261,289.16

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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.