Home / 1,888,451.30-2,605,981.28-1,072,652.43

Finding the Fourth Proportional to 1,888,451.30, 2,605,981.28 and 1,072,652.43

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Solution

The fourth proportional to 1,888,451.30, 2,605,981.28 and 1,072,652.43 is: 1,480,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,451.30 : 2,605,981.28 = 1,072,652.43 : x
  2. Step 2: Convert to fraction form
    1,888,451.30/2,605,981.28 = 1,072,652.43/x
  3. Step 3: Cross multiply
    1,888,451.30x = 2,605,981.28 × 1,072,652.43
  4. Step 4: Simplify right side
    1,888,451.30x = 2,795,312,147,163.25
  5. Step 5: Solve for x
    x = 2,795,312,147,163.25/1,888,451.30
  6. Step 6: Final answer
    x = 1,480,214.05

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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.