Home / 1,983,779.31-2,737,645.44-1,112,807.07

Finding the Fourth Proportional to 1,983,779.31, 2,737,645.44 and 1,112,807.07

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Solution

The fourth proportional to 1,983,779.31, 2,737,645.44 and 1,112,807.07 is: 1,535,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,779.31 : 2,737,645.44 = 1,112,807.07 : x
  2. Step 2: Convert to fraction form
    1,983,779.31/2,737,645.44 = 1,112,807.07/x
  3. Step 3: Cross multiply
    1,983,779.31x = 2,737,645.44 × 1,112,807.07
  4. Step 4: Simplify right side
    1,983,779.31x = 3,046,471,200,785.26
  5. Step 5: Solve for x
    x = 3,046,471,200,785.26/1,983,779.31
  6. Step 6: Final answer
    x = 1,535,690.58

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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.