Home / 2,604,939.92-3,907,055.15-685,690.38

Finding the Fourth Proportional to 2,604,939.92, 3,907,055.15 and 685,690.38

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Solution

The fourth proportional to 2,604,939.92, 3,907,055.15 and 685,690.38 is: 1,028,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,604,939.92 : 3,907,055.15 = 685,690.38 : x
  2. Step 2: Convert to fraction form
    2,604,939.92/3,907,055.15 = 685,690.38/x
  3. Step 3: Cross multiply
    2,604,939.92x = 3,907,055.15 × 685,690.38
  4. Step 4: Simplify right side
    2,604,939.92x = 2,679,030,127,056.01
  5. Step 5: Solve for x
    x = 2,679,030,127,056.01/2,604,939.92
  6. Step 6: Final answer
    x = 1,028,442.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.