Home / 3,976,440.06-5,487,642.63-2,257,720.50

Finding the Fourth Proportional to 3,976,440.06, 5,487,642.63 and 2,257,720.50

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Solution

The fourth proportional to 3,976,440.06, 5,487,642.63 and 2,257,720.50 is: 3,115,742.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,440.06 : 5,487,642.63 = 2,257,720.50 : x
  2. Step 2: Convert to fraction form
    3,976,440.06/5,487,642.63 = 2,257,720.50/x
  3. Step 3: Cross multiply
    3,976,440.06x = 5,487,642.63 × 2,257,720.50
  4. Step 4: Simplify right side
    3,976,440.06x = 12,389,563,262,424.91
  5. Step 5: Solve for x
    x = 12,389,563,262,424.91/3,976,440.06
  6. Step 6: Final answer
    x = 3,115,742.49

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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.