Home / 2,947,779.45-4,068,015.08-1,658,665.53

Finding the Fourth Proportional to 2,947,779.45, 4,068,015.08 and 1,658,665.53

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Solution

The fourth proportional to 2,947,779.45, 4,068,015.08 and 1,658,665.53 is: 2,289,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,779.45 : 4,068,015.08 = 1,658,665.53 : x
  2. Step 2: Convert to fraction form
    2,947,779.45/4,068,015.08 = 1,658,665.53/x
  3. Step 3: Cross multiply
    2,947,779.45x = 4,068,015.08 × 1,658,665.53
  4. Step 4: Simplify right side
    2,947,779.45x = 6,747,476,380,422.87
  5. Step 5: Solve for x
    x = 6,747,476,380,422.87/2,947,779.45
  6. Step 6: Final answer
    x = 2,289,003.13

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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.