Home / 4,989,779.15-6,885,481.28-2,814,856.79

Finding the Fourth Proportional to 4,989,779.15, 6,885,481.28 and 2,814,856.79

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Solution

The fourth proportional to 4,989,779.15, 6,885,481.28 and 2,814,856.79 is: 3,884,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989,779.15 : 6,885,481.28 = 2,814,856.79 : x
  2. Step 2: Convert to fraction form
    4,989,779.15/6,885,481.28 = 2,814,856.79/x
  3. Step 3: Cross multiply
    4,989,779.15x = 6,885,481.28 × 2,814,856.79
  4. Step 4: Simplify right side
    4,989,779.15x = 19,381,643,684,924.20
  5. Step 5: Solve for x
    x = 19,381,643,684,924.20/4,989,779.15
  6. Step 6: Final answer
    x = 3,884,268.85

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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.