Home / 2,520,021.78-3,477,701.79-1,374,165

Finding the Fourth Proportional to 2,520,021.78, 3,477,701.79 and 1,374,165

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Solution

The fourth proportional to 2,520,021.78, 3,477,701.79 and 1,374,165 is: 1,896,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,021.78 : 3,477,701.79 = 1,374,165 : x
  2. Step 2: Convert to fraction form
    2,520,021.78/3,477,701.79 = 1,374,165/x
  3. Step 3: Cross multiply
    2,520,021.78x = 3,477,701.79 × 1,374,165
  4. Step 4: Simplify right side
    2,520,021.78x = 4,778,936,080,255.35
  5. Step 5: Solve for x
    x = 4,778,936,080,255.35/2,520,021.78
  6. Step 6: Final answer
    x = 1,896,386.82

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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.