Home / 2,153,683.28-2,972,044.61-1,173,630.87

Finding the Fourth Proportional to 2,153,683.28, 2,972,044.61 and 1,173,630.87

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Solution

The fourth proportional to 2,153,683.28, 2,972,044.61 and 1,173,630.87 is: 1,619,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,683.28 : 2,972,044.61 = 1,173,630.87 : x
  2. Step 2: Convert to fraction form
    2,153,683.28/2,972,044.61 = 1,173,630.87/x
  3. Step 3: Cross multiply
    2,153,683.28x = 2,972,044.61 × 1,173,630.87
  4. Step 4: Simplify right side
    2,153,683.28x = 3,488,083,299,846.07
  5. Step 5: Solve for x
    x = 3,488,083,299,846.07/2,153,683.28
  6. Step 6: Final answer
    x = 1,619,589.72

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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.