Home / 1,638,225.51-2,260,250.21-949,759.95

Finding the Fourth Proportional to 1,638,225.51, 2,260,250.21 and 949,759.95

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Solution

The fourth proportional to 1,638,225.51, 2,260,250.21 and 949,759.95 is: 1,310,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,225.51 : 2,260,250.21 = 949,759.95 : x
  2. Step 2: Convert to fraction form
    1,638,225.51/2,260,250.21 = 949,759.95/x
  3. Step 3: Cross multiply
    1,638,225.51x = 2,260,250.21 × 949,759.95
  4. Step 4: Simplify right side
    1,638,225.51x = 2,146,695,121,688.29
  5. Step 5: Solve for x
    x = 2,146,695,121,688.29/1,638,225.51
  6. Step 6: Final answer
    x = 1,310,378.28

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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.