Home / 2,486,686.92-3,431,487.69-1,399,004.34

Finding the Fourth Proportional to 2,486,686.92, 3,431,487.69 and 1,399,004.34

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Solution

The fourth proportional to 2,486,686.92, 3,431,487.69 and 1,399,004.34 is: 1,930,547.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,686.92 : 3,431,487.69 = 1,399,004.34 : x
  2. Step 2: Convert to fraction form
    2,486,686.92/3,431,487.69 = 1,399,004.34/x
  3. Step 3: Cross multiply
    2,486,686.92x = 3,431,487.69 × 1,399,004.34
  4. Step 4: Simplify right side
    2,486,686.92x = 4,800,666,170,966.58
  5. Step 5: Solve for x
    x = 4,800,666,170,966.58/2,486,686.92
  6. Step 6: Final answer
    x = 1,930,547.08

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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.