Home / 3,559,236.78-4,911,742.55-1,927,643.19

Finding the Fourth Proportional to 3,559,236.78, 4,911,742.55 and 1,927,643.19

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Solution

The fourth proportional to 3,559,236.78, 4,911,742.55 and 1,927,643.19 is: 2,660,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559,236.78 : 4,911,742.55 = 1,927,643.19 : x
  2. Step 2: Convert to fraction form
    3,559,236.78/4,911,742.55 = 1,927,643.19/x
  3. Step 3: Cross multiply
    3,559,236.78x = 4,911,742.55 × 1,927,643.19
  4. Step 4: Simplify right side
    3,559,236.78x = 9,468,087,067,902.52
  5. Step 5: Solve for x
    x = 9,468,087,067,902.52/3,559,236.78
  6. Step 6: Final answer
    x = 2,660,145.32

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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.