Home / 3,890,742.08-5,838,168-2,760,805.76

Finding the Fourth Proportional to 3,890,742.08, 5,838,168 and 2,760,805.76

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Solution

The fourth proportional to 3,890,742.08, 5,838,168 and 2,760,805.76 is: 4,142,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,742.08 : 5,838,168 = 2,760,805.76 : x
  2. Step 2: Convert to fraction form
    3,890,742.08/5,838,168 = 2,760,805.76/x
  3. Step 3: Cross multiply
    3,890,742.08x = 5,838,168 × 2,760,805.76
  4. Step 4: Simplify right side
    3,890,742.08x = 16,118,047,842,247.68
  5. Step 5: Solve for x
    x = 16,118,047,842,247.68/3,890,742.08
  6. Step 6: Final answer
    x = 4,142,666.75

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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.