Home / 4,252,256.34-6,374,771.91-1,979,100.78

Finding the Fourth Proportional to 4,252,256.34, 6,374,771.91 and 1,979,100.78

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Solution

The fourth proportional to 4,252,256.34, 6,374,771.91 and 1,979,100.78 is: 2,966,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252,256.34 : 6,374,771.91 = 1,979,100.78 : x
  2. Step 2: Convert to fraction form
    4,252,256.34/6,374,771.91 = 1,979,100.78/x
  3. Step 3: Cross multiply
    4,252,256.34x = 6,374,771.91 × 1,979,100.78
  4. Step 4: Simplify right side
    4,252,256.34x = 12,616,316,059,403.09
  5. Step 5: Solve for x
    x = 12,616,316,059,403.09/4,252,256.34
  6. Step 6: Final answer
    x = 2,966,969.78

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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.