Home / 3,615,869.36-4,990,043.39-1,984,335.49

Finding the Fourth Proportional to 3,615,869.36, 4,990,043.39 and 1,984,335.49

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Solution

The fourth proportional to 3,615,869.36, 4,990,043.39 and 1,984,335.49 is: 2,738,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,869.36 : 4,990,043.39 = 1,984,335.49 : x
  2. Step 2: Convert to fraction form
    3,615,869.36/4,990,043.39 = 1,984,335.49/x
  3. Step 3: Cross multiply
    3,615,869.36x = 4,990,043.39 × 1,984,335.49
  4. Step 4: Simplify right side
    3,615,869.36x = 9,901,920,208,557.86
  5. Step 5: Solve for x
    x = 9,901,920,208,557.86/3,615,869.36
  6. Step 6: Final answer
    x = 2,738,461.83

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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.