Home / 3,516,941.53-4,853,379.31-1,989,015.85

Finding the Fourth Proportional to 3,516,941.53, 4,853,379.31 and 1,989,015.85

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Solution

The fourth proportional to 3,516,941.53, 4,853,379.31 and 1,989,015.85 is: 2,744,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,941.53 : 4,853,379.31 = 1,989,015.85 : x
  2. Step 2: Convert to fraction form
    3,516,941.53/4,853,379.31 = 1,989,015.85/x
  3. Step 3: Cross multiply
    3,516,941.53x = 4,853,379.31 × 1,989,015.85
  4. Step 4: Simplify right side
    3,516,941.53x = 9,653,448,385,934.46
  5. Step 5: Solve for x
    x = 9,653,448,385,934.46/3,516,941.53
  6. Step 6: Final answer
    x = 2,744,841.87

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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.