Home / 1,891,534.88-2,830,645.20-1,181,897.12

Finding the Fourth Proportional to 1,891,534.88, 2,830,645.20 and 1,181,897.12

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Solution

The fourth proportional to 1,891,534.88, 2,830,645.20 and 1,181,897.12 is: 1,768,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,534.88 : 2,830,645.20 = 1,181,897.12 : x
  2. Step 2: Convert to fraction form
    1,891,534.88/2,830,645.20 = 1,181,897.12/x
  3. Step 3: Cross multiply
    1,891,534.88x = 2,830,645.20 × 1,181,897.12
  4. Step 4: Simplify right side
    1,891,534.88x = 3,345,531,409,621.83
  5. Step 5: Solve for x
    x = 3,345,531,409,621.83/1,891,534.88
  6. Step 6: Final answer
    x = 1,768,686.08

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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.