Home / 4,638,375-6,401,260.26-2,678,335.80

Finding the Fourth Proportional to 4,638,375, 6,401,260.26 and 2,678,335.80

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Solution

The fourth proportional to 4,638,375, 6,401,260.26 and 2,678,335.80 is: 3,696,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638,375 : 6,401,260.26 = 2,678,335.80 : x
  2. Step 2: Convert to fraction form
    4,638,375/6,401,260.26 = 2,678,335.80/x
  3. Step 3: Cross multiply
    4,638,375x = 6,401,260.26 × 2,678,335.80
  4. Step 4: Simplify right side
    4,638,375x = 17,144,724,519,475.31
  5. Step 5: Solve for x
    x = 17,144,724,519,475.31/4,638,375
  6. Step 6: Final answer
    x = 3,696,278.23

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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.