Home / 2,878,525.44-3,970,699.86-1,859,930.20

Finding the Fourth Proportional to 2,878,525.44, 3,970,699.86 and 1,859,930.20

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Solution

The fourth proportional to 2,878,525.44, 3,970,699.86 and 1,859,930.20 is: 2,565,627.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,525.44 : 3,970,699.86 = 1,859,930.20 : x
  2. Step 2: Convert to fraction form
    2,878,525.44/3,970,699.86 = 1,859,930.20/x
  3. Step 3: Cross multiply
    2,878,525.44x = 3,970,699.86 × 1,859,930.20
  4. Step 4: Simplify right side
    2,878,525.44x = 7,385,224,584,749.77
  5. Step 5: Solve for x
    x = 7,385,224,584,749.77/2,878,525.44
  6. Step 6: Final answer
    x = 2,565,627.69

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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.