Home / 2,290,746.40-3,429,121.20-1,786,861.60

Finding the Fourth Proportional to 2,290,746.40, 3,429,121.20 and 1,786,861.60

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Solution

The fourth proportional to 2,290,746.40, 3,429,121.20 and 1,786,861.60 is: 2,674,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,746.40 : 3,429,121.20 = 1,786,861.60 : x
  2. Step 2: Convert to fraction form
    2,290,746.40/3,429,121.20 = 1,786,861.60/x
  3. Step 3: Cross multiply
    2,290,746.40x = 3,429,121.20 × 1,786,861.60
  4. Step 4: Simplify right side
    2,290,746.40x = 6,127,364,994,025.92
  5. Step 5: Solve for x
    x = 6,127,364,994,025.92/2,290,746.40
  6. Step 6: Final answer
    x = 2,674,833.41

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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.