Home / 1,992,341.12-2,749,417.72-1,132,901.44

Finding the Fourth Proportional to 1,992,341.12, 2,749,417.72 and 1,132,901.44

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Solution

The fourth proportional to 1,992,341.12, 2,749,417.72 and 1,132,901.44 is: 1,563,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,341.12 : 2,749,417.72 = 1,132,901.44 : x
  2. Step 2: Convert to fraction form
    1,992,341.12/2,749,417.72 = 1,132,901.44/x
  3. Step 3: Cross multiply
    1,992,341.12x = 2,749,417.72 × 1,132,901.44
  4. Step 4: Simplify right side
    1,992,341.12x = 3,114,819,294,149.52
  5. Step 5: Solve for x
    x = 3,114,819,294,149.52/1,992,341.12
  6. Step 6: Final answer
    x = 1,563,396.58

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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.