Home / 2,922,836.40-4,384,254.60-1,328,513.40

Finding the Fourth Proportional to 2,922,836.40, 4,384,254.60 and 1,328,513.40

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Solution

The fourth proportional to 2,922,836.40, 4,384,254.60 and 1,328,513.40 is: 1,992,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922,836.40 : 4,384,254.60 = 1,328,513.40 : x
  2. Step 2: Convert to fraction form
    2,922,836.40/4,384,254.60 = 1,328,513.40/x
  3. Step 3: Cross multiply
    2,922,836.40x = 4,384,254.60 × 1,328,513.40
  4. Step 4: Simplify right side
    2,922,836.40x = 5,824,540,985,111.64
  5. Step 5: Solve for x
    x = 5,824,540,985,111.64/2,922,836.40
  6. Step 6: Final answer
    x = 1,992,770.10

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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.