Home / 1,615,178.47-2,228,946.48-936,508.63

Finding the Fourth Proportional to 1,615,178.47, 2,228,946.48 and 936,508.63

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Solution

The fourth proportional to 1,615,178.47, 2,228,946.48 and 936,508.63 is: 1,292,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,178.47 : 2,228,946.48 = 936,508.63 : x
  2. Step 2: Convert to fraction form
    1,615,178.47/2,228,946.48 = 936,508.63/x
  3. Step 3: Cross multiply
    1,615,178.47x = 2,228,946.48 × 936,508.63
  4. Step 4: Simplify right side
    1,615,178.47x = 2,087,427,614,328.12
  5. Step 5: Solve for x
    x = 2,087,427,614,328.12/1,615,178.47
  6. Step 6: Final answer
    x = 1,292,382.02

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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.