Home / 1,615,176.47-2,228,943.72-936,506.63

Finding the Fourth Proportional to 1,615,176.47, 2,228,943.72 and 936,506.63

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Solution

The fourth proportional to 1,615,176.47, 2,228,943.72 and 936,506.63 is: 1,292,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,176.47 : 2,228,943.72 = 936,506.63 : x
  2. Step 2: Convert to fraction form
    1,615,176.47/2,228,943.72 = 936,506.63/x
  3. Step 3: Cross multiply
    1,615,176.47x = 2,228,943.72 × 936,506.63
  4. Step 4: Simplify right side
    1,615,176.47x = 2,087,420,571,676.86
  5. Step 5: Solve for x
    x = 2,087,420,571,676.86/1,615,176.47
  6. Step 6: Final answer
    x = 1,292,379.26

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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.