Home / 1,901,054.76-2,851,582.14-638,882.36

Finding the Fourth Proportional to 1,901,054.76, 2,851,582.14 and 638,882.36

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Solution

The fourth proportional to 1,901,054.76, 2,851,582.14 and 638,882.36 is: 958,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,054.76 : 2,851,582.14 = 638,882.36 : x
  2. Step 2: Convert to fraction form
    1,901,054.76/2,851,582.14 = 638,882.36/x
  3. Step 3: Cross multiply
    1,901,054.76x = 2,851,582.14 × 638,882.36
  4. Step 4: Simplify right side
    1,901,054.76x = 1,821,825,527,337.05
  5. Step 5: Solve for x
    x = 1,821,825,527,337.05/1,901,054.76
  6. Step 6: Final answer
    x = 958,323.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.