Home / 3,309,416.07-4,565,680.89-1,913,719.79

Finding the Fourth Proportional to 3,309,416.07, 4,565,680.89 and 1,913,719.79

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Solution

The fourth proportional to 3,309,416.07, 4,565,680.89 and 1,913,719.79 is: 2,640,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,416.07 : 4,565,680.89 = 1,913,719.79 : x
  2. Step 2: Convert to fraction form
    3,309,416.07/4,565,680.89 = 1,913,719.79/x
  3. Step 3: Cross multiply
    3,309,416.07x = 4,565,680.89 × 1,913,719.79
  4. Step 4: Simplify right side
    3,309,416.07x = 8,737,433,885,432.02
  5. Step 5: Solve for x
    x = 8,737,433,885,432.02/3,309,416.07
  6. Step 6: Final answer
    x = 2,640,173.89

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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.