Home / 1,858,245.90-2,789,442.45-1,736,421.90

Finding the Fourth Proportional to 1,858,245.90, 2,789,442.45 and 1,736,421.90

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Solution

The fourth proportional to 1,858,245.90, 2,789,442.45 and 1,736,421.90 is: 2,606,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,245.90 : 2,789,442.45 = 1,736,421.90 : x
  2. Step 2: Convert to fraction form
    1,858,245.90/2,789,442.45 = 1,736,421.90/x
  3. Step 3: Cross multiply
    1,858,245.90x = 2,789,442.45 × 1,736,421.90
  4. Step 4: Simplify right side
    1,858,245.90x = 4,843,648,958,969.66
  5. Step 5: Solve for x
    x = 4,843,648,958,969.66/1,858,245.90
  6. Step 6: Final answer
    x = 2,606,570.51

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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.