Home / 3,280,519.80-4,920,779.70-2,881,939.05

Finding the Fourth Proportional to 3,280,519.80, 4,920,779.70 and 2,881,939.05

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Solution

The fourth proportional to 3,280,519.80, 4,920,779.70 and 2,881,939.05 is: 4,322,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,519.80 : 4,920,779.70 = 2,881,939.05 : x
  2. Step 2: Convert to fraction form
    3,280,519.80/4,920,779.70 = 2,881,939.05/x
  3. Step 3: Cross multiply
    3,280,519.80x = 4,920,779.70 × 2,881,939.05
  4. Step 4: Simplify right side
    3,280,519.80x = 14,181,387,173,877.29
  5. Step 5: Solve for x
    x = 14,181,387,173,877.29/3,280,519.80
  6. Step 6: Final answer
    x = 4,322,908.58

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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.