Home / 2,718,431.74-4,072,139.95-1,257,401.60

Finding the Fourth Proportional to 2,718,431.74, 4,072,139.95 and 1,257,401.60

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Solution

The fourth proportional to 2,718,431.74, 4,072,139.95 and 1,257,401.60 is: 1,883,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,431.74 : 4,072,139.95 = 1,257,401.60 : x
  2. Step 2: Convert to fraction form
    2,718,431.74/4,072,139.95 = 1,257,401.60/x
  3. Step 3: Cross multiply
    2,718,431.74x = 4,072,139.95 × 1,257,401.60
  4. Step 4: Simplify right side
    2,718,431.74x = 5,120,315,296,783.13
  5. Step 5: Solve for x
    x = 5,120,315,296,783.13/2,718,431.74
  6. Step 6: Final answer
    x = 1,883,554.86

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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.