Home / 2,021,779.44-2,790,038.52-1,116,342

Finding the Fourth Proportional to 2,021,779.44, 2,790,038.52 and 1,116,342

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Solution

The fourth proportional to 2,021,779.44, 2,790,038.52 and 1,116,342 is: 1,540,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,779.44 : 2,790,038.52 = 1,116,342 : x
  2. Step 2: Convert to fraction form
    2,021,779.44/2,790,038.52 = 1,116,342/x
  3. Step 3: Cross multiply
    2,021,779.44x = 2,790,038.52 × 1,116,342
  4. Step 4: Simplify right side
    2,021,779.44x = 3,114,637,181,493.84
  5. Step 5: Solve for x
    x = 3,114,637,181,493.84/2,021,779.44
  6. Step 6: Final answer
    x = 1,540,542.51

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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.