Home / 2,738,725.47-3,778,167.78-1,772,167.86

Finding the Fourth Proportional to 2,738,725.47, 3,778,167.78 and 1,772,167.86

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Solution

The fourth proportional to 2,738,725.47, 3,778,167.78 and 1,772,167.86 is: 2,444,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738,725.47 : 3,778,167.78 = 1,772,167.86 : x
  2. Step 2: Convert to fraction form
    2,738,725.47/3,778,167.78 = 1,772,167.86/x
  3. Step 3: Cross multiply
    2,738,725.47x = 3,778,167.78 × 1,772,167.86
  4. Step 4: Simplify right side
    2,738,725.47x = 6,695,547,509,403.55
  5. Step 5: Solve for x
    x = 6,695,547,509,403.55/2,738,725.47
  6. Step 6: Final answer
    x = 2,444,767.68

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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.