Home / 2,890,358.46-3,986,449.29-1,973,326.86

Finding the Fourth Proportional to 2,890,358.46, 3,986,449.29 and 1,973,326.86

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Solution

The fourth proportional to 2,890,358.46, 3,986,449.29 and 1,973,326.86 is: 2,721,658.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,358.46 : 3,986,449.29 = 1,973,326.86 : x
  2. Step 2: Convert to fraction form
    2,890,358.46/3,986,449.29 = 1,973,326.86/x
  3. Step 3: Cross multiply
    2,890,358.46x = 3,986,449.29 × 1,973,326.86
  4. Step 4: Simplify right side
    2,890,358.46x = 7,866,567,459,984.93
  5. Step 5: Solve for x
    x = 7,866,567,459,984.93/2,890,358.46
  6. Step 6: Final answer
    x = 2,721,658.08

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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.