Home / 2,878,866.71-4,318,909.01-1,081,765.73

Finding the Fourth Proportional to 2,878,866.71, 4,318,909.01 and 1,081,765.73

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Solution

The fourth proportional to 2,878,866.71, 4,318,909.01 and 1,081,765.73 is: 1,622,877.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,866.71 : 4,318,909.01 = 1,081,765.73 : x
  2. Step 2: Convert to fraction form
    2,878,866.71/4,318,909.01 = 1,081,765.73/x
  3. Step 3: Cross multiply
    2,878,866.71x = 4,318,909.01 × 1,081,765.73
  4. Step 4: Simplify right side
    2,878,866.71x = 4,672,047,773,536.22
  5. Step 5: Solve for x
    x = 4,672,047,773,536.22/2,878,866.71
  6. Step 6: Final answer
    x = 1,622,877.42

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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.