Home / 2,987,414.21-4,122,612.77-1,698,254.66

Finding the Fourth Proportional to 2,987,414.21, 4,122,612.77 and 1,698,254.66

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Solution

The fourth proportional to 2,987,414.21, 4,122,612.77 and 1,698,254.66 is: 2,343,580.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,414.21 : 4,122,612.77 = 1,698,254.66 : x
  2. Step 2: Convert to fraction form
    2,987,414.21/4,122,612.77 = 1,698,254.66/x
  3. Step 3: Cross multiply
    2,987,414.21x = 4,122,612.77 × 1,698,254.66
  4. Step 4: Simplify right side
    2,987,414.21x = 7,001,246,318,923.67
  5. Step 5: Solve for x
    x = 7,001,246,318,923.67/2,987,414.21
  6. Step 6: Final answer
    x = 2,343,580.72

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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.