Home / 1,983,777.81-2,737,643.37-1,112,805.57

Finding the Fourth Proportional to 1,983,777.81, 2,737,643.37 and 1,112,805.57

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Solution

The fourth proportional to 1,983,777.81, 2,737,643.37 and 1,112,805.57 is: 1,535,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,777.81 : 2,737,643.37 = 1,112,805.57 : x
  2. Step 2: Convert to fraction form
    1,983,777.81/2,737,643.37 = 1,112,805.57/x
  3. Step 3: Cross multiply
    1,983,777.81x = 2,737,643.37 × 1,112,805.57
  4. Step 4: Simplify right side
    1,983,777.81x = 3,046,464,798,169.87
  5. Step 5: Solve for x
    x = 3,046,464,798,169.87/1,983,777.81
  6. Step 6: Final answer
    x = 1,535,688.52

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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.