Home / 2,689,358.55-4,035,225.78-1,409,659.80

Finding the Fourth Proportional to 2,689,358.55, 4,035,225.78 and 1,409,659.80

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Solution

The fourth proportional to 2,689,358.55, 4,035,225.78 and 1,409,659.80 is: 2,115,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,358.55 : 4,035,225.78 = 1,409,659.80 : x
  2. Step 2: Convert to fraction form
    2,689,358.55/4,035,225.78 = 1,409,659.80/x
  3. Step 3: Cross multiply
    2,689,358.55x = 4,035,225.78 × 1,409,659.80
  4. Step 4: Simplify right side
    2,689,358.55x = 5,688,295,565,989.64
  5. Step 5: Solve for x
    x = 5,688,295,565,989.64/2,689,358.55
  6. Step 6: Final answer
    x = 2,115,112.38

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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.