Home / 1,989,896.80-2,746,066.83-1,130,504.22

Finding the Fourth Proportional to 1,989,896.80, 2,746,066.83 and 1,130,504.22

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Solution

The fourth proportional to 1,989,896.80, 2,746,066.83 and 1,130,504.22 is: 1,560,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,896.80 : 2,746,066.83 = 1,130,504.22 : x
  2. Step 2: Convert to fraction form
    1,989,896.80/2,746,066.83 = 1,130,504.22/x
  3. Step 3: Cross multiply
    1,989,896.80x = 2,746,066.83 × 1,130,504.22
  4. Step 4: Simplify right side
    1,989,896.80x = 3,104,440,139,717.02
  5. Step 5: Solve for x
    x = 3,104,440,139,717.02/1,989,896.80
  6. Step 6: Final answer
    x = 1,560,101.08

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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.