Home / 1,906,609.66-2,630,022.87-1,142,220.31

Finding the Fourth Proportional to 1,906,609.66, 2,630,022.87 and 1,142,220.31

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Solution

The fourth proportional to 1,906,609.66, 2,630,022.87 and 1,142,220.31 is: 1,575,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,609.66 : 2,630,022.87 = 1,142,220.31 : x
  2. Step 2: Convert to fraction form
    1,906,609.66/2,630,022.87 = 1,142,220.31/x
  3. Step 3: Cross multiply
    1,906,609.66x = 2,630,022.87 × 1,142,220.31
  4. Step 4: Simplify right side
    1,906,609.66x = 3,004,065,537,878.49
  5. Step 5: Solve for x
    x = 3,004,065,537,878.49/1,906,609.66
  6. Step 6: Final answer
    x = 1,575,605.96

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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.