Home / 2,157,071.66-2,976,821.20-1,190,264.20

Finding the Fourth Proportional to 2,157,071.66, 2,976,821.20 and 1,190,264.20

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Solution

The fourth proportional to 2,157,071.66, 2,976,821.20 and 1,190,264.20 is: 1,642,598.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,071.66 : 2,976,821.20 = 1,190,264.20 : x
  2. Step 2: Convert to fraction form
    2,157,071.66/2,976,821.20 = 1,190,264.20/x
  3. Step 3: Cross multiply
    2,157,071.66x = 2,976,821.20 × 1,190,264.20
  4. Step 4: Simplify right side
    2,157,071.66x = 3,543,203,704,161.04
  5. Step 5: Solve for x
    x = 3,543,203,704,161.04/2,157,071.66
  6. Step 6: Final answer
    x = 1,642,598.98

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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.