Home / 1,989,340.17-2,745,252.45-1,106,343.51

Finding the Fourth Proportional to 1,989,340.17, 2,745,252.45 and 1,106,343.51

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Solution

The fourth proportional to 1,989,340.17, 2,745,252.45 and 1,106,343.51 is: 1,526,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,340.17 : 2,745,252.45 = 1,106,343.51 : x
  2. Step 2: Convert to fraction form
    1,989,340.17/2,745,252.45 = 1,106,343.51/x
  3. Step 3: Cross multiply
    1,989,340.17x = 2,745,252.45 × 1,106,343.51
  4. Step 4: Simplify right side
    1,989,340.17x = 3,037,192,231,369.10
  5. Step 5: Solve for x
    x = 3,037,192,231,369.10/1,989,340.17
  6. Step 6: Final answer
    x = 1,526,733.48

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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.