Home / 2,064,679.80-3,097,019.70-644,879.40

Finding the Fourth Proportional to 2,064,679.80, 3,097,019.70 and 644,879.40

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Solution

The fourth proportional to 2,064,679.80, 3,097,019.70 and 644,879.40 is: 967,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064,679.80 : 3,097,019.70 = 644,879.40 : x
  2. Step 2: Convert to fraction form
    2,064,679.80/3,097,019.70 = 644,879.40/x
  3. Step 3: Cross multiply
    2,064,679.80x = 3,097,019.70 × 644,879.40
  4. Step 4: Simplify right side
    2,064,679.80x = 1,997,204,205,924.18
  5. Step 5: Solve for x
    x = 1,997,204,205,924.18/2,064,679.80
  6. Step 6: Final answer
    x = 967,319.10

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Similar ratio
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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.