Home / 2,821,407.90-4,224,927.40-1,858,945.58

Finding the Fourth Proportional to 2,821,407.90, 4,224,927.40 and 1,858,945.58

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Solution

The fourth proportional to 2,821,407.90, 4,224,927.40 and 1,858,945.58 is: 2,783,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,407.90 : 4,224,927.40 = 1,858,945.58 : x
  2. Step 2: Convert to fraction form
    2,821,407.90/4,224,927.40 = 1,858,945.58/x
  3. Step 3: Cross multiply
    2,821,407.90x = 4,224,927.40 × 1,858,945.58
  4. Step 4: Simplify right side
    2,821,407.90x = 7,853,910,116,050.89
  5. Step 5: Solve for x
    x = 7,853,910,116,050.89/2,821,407.90
  6. Step 6: Final answer
    x = 2,783,684.74

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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.