Home / 3,255,486.86-4,492,352.88-1,805,128.61

Finding the Fourth Proportional to 3,255,486.86, 4,492,352.88 and 1,805,128.61

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Solution

The fourth proportional to 3,255,486.86, 4,492,352.88 and 1,805,128.61 is: 2,490,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255,486.86 : 4,492,352.88 = 1,805,128.61 : x
  2. Step 2: Convert to fraction form
    3,255,486.86/4,492,352.88 = 1,805,128.61/x
  3. Step 3: Cross multiply
    3,255,486.86x = 4,492,352.88 × 1,805,128.61
  4. Step 4: Simplify right side
    3,255,486.86x = 8,109,274,687,442.13
  5. Step 5: Solve for x
    x = 8,109,274,687,442.13/3,255,486.86
  6. Step 6: Final answer
    x = 2,490,956.05

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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.