Home / 2,147,353.74-2,963,424.51-1,229,746.86

Finding the Fourth Proportional to 2,147,353.74, 2,963,424.51 and 1,229,746.86

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Solution

The fourth proportional to 2,147,353.74, 2,963,424.51 and 1,229,746.86 is: 1,697,094.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,353.74 : 2,963,424.51 = 1,229,746.86 : x
  2. Step 2: Convert to fraction form
    2,147,353.74/2,963,424.51 = 1,229,746.86/x
  3. Step 3: Cross multiply
    2,147,353.74x = 2,963,424.51 × 1,229,746.86
  4. Step 4: Simplify right side
    2,147,353.74x = 3,644,261,986,019.54
  5. Step 5: Solve for x
    x = 3,644,261,986,019.54/2,147,353.74
  6. Step 6: Final answer
    x = 1,697,094.39

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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.