Home / 2,196,364.86-3,030,841.02-1,229,486.70

Finding the Fourth Proportional to 2,196,364.86, 3,030,841.02 and 1,229,486.70

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Solution

The fourth proportional to 2,196,364.86, 3,030,841.02 and 1,229,486.70 is: 1,696,611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196,364.86 : 3,030,841.02 = 1,229,486.70 : x
  2. Step 2: Convert to fraction form
    2,196,364.86/3,030,841.02 = 1,229,486.70/x
  3. Step 3: Cross multiply
    2,196,364.86x = 3,030,841.02 × 1,229,486.70
  4. Step 4: Simplify right side
    2,196,364.86x = 3,726,378,723,904.43
  5. Step 5: Solve for x
    x = 3,726,378,723,904.43/2,196,364.86
  6. Step 6: Final answer
    x = 1,696,611.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.