Home / 3,210,085.90-4,813,729.12-1,214,142.22

Finding the Fourth Proportional to 3,210,085.90, 4,813,729.12 and 1,214,142.22

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Solution

The fourth proportional to 3,210,085.90, 4,813,729.12 and 1,214,142.22 is: 1,820,683.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,085.90 : 4,813,729.12 = 1,214,142.22 : x
  2. Step 2: Convert to fraction form
    3,210,085.90/4,813,729.12 = 1,214,142.22/x
  3. Step 3: Cross multiply
    3,210,085.90x = 4,813,729.12 × 1,214,142.22
  4. Step 4: Simplify right side
    3,210,085.90x = 5,844,551,760,235.45
  5. Step 5: Solve for x
    x = 5,844,551,760,235.45/3,210,085.90
  6. Step 6: Final answer
    x = 1,820,683.91

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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.