Home / 3,118,115.75-4,678,653.96-2,160,045.72

Finding the Fourth Proportional to 3,118,115.75, 4,678,653.96 and 2,160,045.72

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Solution

The fourth proportional to 3,118,115.75, 4,678,653.96 and 2,160,045.72 is: 3,241,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,115.75 : 4,678,653.96 = 2,160,045.72 : x
  2. Step 2: Convert to fraction form
    3,118,115.75/4,678,653.96 = 2,160,045.72/x
  3. Step 3: Cross multiply
    3,118,115.75x = 4,678,653.96 × 2,160,045.72
  4. Step 4: Simplify right side
    3,118,115.75x = 10,106,106,461,659.05
  5. Step 5: Solve for x
    x = 10,106,106,461,659.05/3,118,115.75
  6. Step 6: Final answer
    x = 3,241,094.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.