Home / 1,810,891.61-2,499,165.80-1,122,697.39

Finding the Fourth Proportional to 1,810,891.61, 2,499,165.80 and 1,122,697.39

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Solution

The fourth proportional to 1,810,891.61, 2,499,165.80 and 1,122,697.39 is: 1,549,406.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,891.61 : 2,499,165.80 = 1,122,697.39 : x
  2. Step 2: Convert to fraction form
    1,810,891.61/2,499,165.80 = 1,122,697.39/x
  3. Step 3: Cross multiply
    1,810,891.61x = 2,499,165.80 × 1,122,697.39
  4. Step 4: Simplify right side
    1,810,891.61x = 2,805,806,920,837.26
  5. Step 5: Solve for x
    x = 2,805,806,920,837.26/1,810,891.61
  6. Step 6: Final answer
    x = 1,549,406.33

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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.