Home / 1,913,827.72-2,639,308.17-1,396,762.60

Finding the Fourth Proportional to 1,913,827.72, 2,639,308.17 and 1,396,762.60

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Solution

The fourth proportional to 1,913,827.72, 2,639,308.17 and 1,396,762.60 is: 1,926,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,827.72 : 2,639,308.17 = 1,396,762.60 : x
  2. Step 2: Convert to fraction form
    1,913,827.72/2,639,308.17 = 1,396,762.60/x
  3. Step 3: Cross multiply
    1,913,827.72x = 2,639,308.17 × 1,396,762.60
  4. Step 4: Simplify right side
    1,913,827.72x = 3,686,486,935,132.17
  5. Step 5: Solve for x
    x = 3,686,486,935,132.17/1,913,827.72
  6. Step 6: Final answer
    x = 1,926,237.61

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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.