Home / 1,904,981.92-2,628,950.24-1,045,571.20

Finding the Fourth Proportional to 1,904,981.92, 2,628,950.24 and 1,045,571.20

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Solution

The fourth proportional to 1,904,981.92, 2,628,950.24 and 1,045,571.20 is: 1,442,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,981.92 : 2,628,950.24 = 1,045,571.20 : x
  2. Step 2: Convert to fraction form
    1,904,981.92/2,628,950.24 = 1,045,571.20/x
  3. Step 3: Cross multiply
    1,904,981.92x = 2,628,950.24 × 1,045,571.20
  4. Step 4: Simplify right side
    1,904,981.92x = 2,748,754,657,177.09
  5. Step 5: Solve for x
    x = 2,748,754,657,177.09/1,904,981.92
  6. Step 6: Final answer
    x = 1,442,929.53

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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.