Home / 1,989,906.24-2,746,080-1,130,513.76

Finding the Fourth Proportional to 1,989,906.24, 2,746,080 and 1,130,513.76

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Solution

The fourth proportional to 1,989,906.24, 2,746,080 and 1,130,513.76 is: 1,560,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,906.24 : 2,746,080 = 1,130,513.76 : x
  2. Step 2: Convert to fraction form
    1,989,906.24/2,746,080 = 1,130,513.76/x
  3. Step 3: Cross multiply
    1,989,906.24x = 2,746,080 × 1,130,513.76
  4. Step 4: Simplify right side
    1,989,906.24x = 3,104,481,226,060.80
  5. Step 5: Solve for x
    x = 3,104,481,226,060.80/1,989,906.24
  6. Step 6: Final answer
    x = 1,560,114.32

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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.