Home / 2,078,475.10-3,117,809.85-658,642.30

Finding the Fourth Proportional to 2,078,475.10, 3,117,809.85 and 658,642.30

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Solution

The fourth proportional to 2,078,475.10, 3,117,809.85 and 658,642.30 is: 987,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,475.10 : 3,117,809.85 = 658,642.30 : x
  2. Step 2: Convert to fraction form
    2,078,475.10/3,117,809.85 = 658,642.30/x
  3. Step 3: Cross multiply
    2,078,475.10x = 3,117,809.85 × 658,642.30
  4. Step 4: Simplify right side
    2,078,475.10x = 2,053,521,450,566.66
  5. Step 5: Solve for x
    x = 2,053,521,450,566.66/2,078,475.10
  6. Step 6: Final answer
    x = 987,994.25

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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.