Home / 3,518,492.86-4,855,487.34-1,990,600

Finding the Fourth Proportional to 3,518,492.86, 4,855,487.34 and 1,990,600

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Solution

The fourth proportional to 3,518,492.86, 4,855,487.34 and 1,990,600 is: 2,747,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518,492.86 : 4,855,487.34 = 1,990,600 : x
  2. Step 2: Convert to fraction form
    3,518,492.86/4,855,487.34 = 1,990,600/x
  3. Step 3: Cross multiply
    3,518,492.86x = 4,855,487.34 × 1,990,600
  4. Step 4: Simplify right side
    3,518,492.86x = 9,665,333,099,004
  5. Step 5: Solve for x
    x = 9,665,333,099,004/3,518,492.86
  6. Step 6: Final answer
    x = 2,747,009.44

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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.