Home / 1,796,296.20-2,478,887.22-991,478.28

Finding the Fourth Proportional to 1,796,296.20, 2,478,887.22 and 991,478.28

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Solution

The fourth proportional to 1,796,296.20, 2,478,887.22 and 991,478.28 is: 1,368,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,296.20 : 2,478,887.22 = 991,478.28 : x
  2. Step 2: Convert to fraction form
    1,796,296.20/2,478,887.22 = 991,478.28/x
  3. Step 3: Cross multiply
    1,796,296.20x = 2,478,887.22 × 991,478.28
  4. Step 4: Simplify right side
    1,796,296.20x = 2,457,762,837,199.58
  5. Step 5: Solve for x
    x = 2,457,762,837,199.58/1,796,296.20
  6. Step 6: Final answer
    x = 1,368,239.18

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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.