Home / 3,105,409.02-4,655,343.21-1,211,709.90

Finding the Fourth Proportional to 3,105,409.02, 4,655,343.21 and 1,211,709.90

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Solution

The fourth proportional to 3,105,409.02, 4,655,343.21 and 1,211,709.90 is: 1,816,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,409.02 : 4,655,343.21 = 1,211,709.90 : x
  2. Step 2: Convert to fraction form
    3,105,409.02/4,655,343.21 = 1,211,709.90/x
  3. Step 3: Cross multiply
    3,105,409.02x = 4,655,343.21 × 1,211,709.90
  4. Step 4: Simplify right side
    3,105,409.02x = 5,640,925,455,454.78
  5. Step 5: Solve for x
    x = 5,640,925,455,454.78/3,105,409.02
  6. Step 6: Final answer
    x = 1,816,483.89

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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.