Home / 4,118,632.82-5,677,412.91-2,891,495.78

Finding the Fourth Proportional to 4,118,632.82, 5,677,412.91 and 2,891,495.78

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Solution

The fourth proportional to 4,118,632.82, 5,677,412.91 and 2,891,495.78 is: 3,985,840.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118,632.82 : 5,677,412.91 = 2,891,495.78 : x
  2. Step 2: Convert to fraction form
    4,118,632.82/5,677,412.91 = 2,891,495.78/x
  3. Step 3: Cross multiply
    4,118,632.82x = 5,677,412.91 × 2,891,495.78
  4. Step 4: Simplify right side
    4,118,632.82x = 16,416,215,470,582.52
  5. Step 5: Solve for x
    x = 16,416,215,470,582.52/4,118,632.82
  6. Step 6: Final answer
    x = 3,985,840.98

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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.