Home / 3,211,901.80-4,817,852.70-1,081,277.80

Finding the Fourth Proportional to 3,211,901.80, 4,817,852.70 and 1,081,277.80

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Solution

The fourth proportional to 3,211,901.80, 4,817,852.70 and 1,081,277.80 is: 1,621,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,901.80 : 4,817,852.70 = 1,081,277.80 : x
  2. Step 2: Convert to fraction form
    3,211,901.80/4,817,852.70 = 1,081,277.80/x
  3. Step 3: Cross multiply
    3,211,901.80x = 4,817,852.70 × 1,081,277.80
  4. Step 4: Simplify right side
    3,211,901.80x = 5,209,437,168,180.06
  5. Step 5: Solve for x
    x = 5,209,437,168,180.06/3,211,901.80
  6. Step 6: Final answer
    x = 1,621,916.70

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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.