Home / 2,649,706.60-3,969,894.30-2,173,815.40

Finding the Fourth Proportional to 2,649,706.60, 3,969,894.30 and 2,173,815.40

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Solution

The fourth proportional to 2,649,706.60, 3,969,894.30 and 2,173,815.40 is: 3,256,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649,706.60 : 3,969,894.30 = 2,173,815.40 : x
  2. Step 2: Convert to fraction form
    2,649,706.60/3,969,894.30 = 2,173,815.40/x
  3. Step 3: Cross multiply
    2,649,706.60x = 3,969,894.30 × 2,173,815.40
  4. Step 4: Simplify right side
    2,649,706.60x = 8,629,817,365,712.22
  5. Step 5: Solve for x
    x = 8,629,817,365,712.22/2,649,706.60
  6. Step 6: Final answer
    x = 3,256,895.45

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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.