Home / 1,994,592.87-2,752,641.33-1,219,980.87

Finding the Fourth Proportional to 1,994,592.87, 2,752,641.33 and 1,219,980.87

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Solution

The fourth proportional to 1,994,592.87, 2,752,641.33 and 1,219,980.87 is: 1,683,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,592.87 : 2,752,641.33 = 1,219,980.87 : x
  2. Step 2: Convert to fraction form
    1,994,592.87/2,752,641.33 = 1,219,980.87/x
  3. Step 3: Cross multiply
    1,994,592.87x = 2,752,641.33 × 1,219,980.87
  4. Step 4: Simplify right side
    1,994,592.87x = 3,358,169,764,571.36
  5. Step 5: Solve for x
    x = 3,358,169,764,571.36/1,994,592.87
  6. Step 6: Final answer
    x = 1,683,636.70

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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.