Home / 1,994,014.80-2,987,085.60-1,192,916.70

Finding the Fourth Proportional to 1,994,014.80, 2,987,085.60 and 1,192,916.70

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Solution

The fourth proportional to 1,994,014.80, 2,987,085.60 and 1,192,916.70 is: 1,787,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,014.80 : 2,987,085.60 = 1,192,916.70 : x
  2. Step 2: Convert to fraction form
    1,994,014.80/2,987,085.60 = 1,192,916.70/x
  3. Step 3: Cross multiply
    1,994,014.80x = 2,987,085.60 × 1,192,916.70
  4. Step 4: Simplify right side
    1,994,014.80x = 3,563,344,296,569.52
  5. Step 5: Solve for x
    x = 3,563,344,296,569.52/1,994,014.80
  6. Step 6: Final answer
    x = 1,787,019.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.