Home / 4,142,411.74-6,214,620.21-1,409,931.56

Finding the Fourth Proportional to 4,142,411.74, 6,214,620.21 and 1,409,931.56

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Solution

The fourth proportional to 4,142,411.74, 6,214,620.21 and 1,409,931.56 is: 2,115,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142,411.74 : 6,214,620.21 = 1,409,931.56 : x
  2. Step 2: Convert to fraction form
    4,142,411.74/6,214,620.21 = 1,409,931.56/x
  3. Step 3: Cross multiply
    4,142,411.74x = 6,214,620.21 × 1,409,931.56
  4. Step 4: Simplify right side
    4,142,411.74x = 8,762,189,177,742.14
  5. Step 5: Solve for x
    x = 8,762,189,177,742.14/4,142,411.74
  6. Step 6: Final answer
    x = 2,115,238.59

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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.