Home / 2,698,109.70-4,046,646.15-804,912.90

Finding the Fourth Proportional to 2,698,109.70, 4,046,646.15 and 804,912.90

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Solution

The fourth proportional to 2,698,109.70, 4,046,646.15 and 804,912.90 is: 1,207,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,109.70 : 4,046,646.15 = 804,912.90 : x
  2. Step 2: Convert to fraction form
    2,698,109.70/4,046,646.15 = 804,912.90/x
  3. Step 3: Cross multiply
    2,698,109.70x = 4,046,646.15 × 804,912.90
  4. Step 4: Simplify right side
    2,698,109.70x = 3,257,197,687,870.34
  5. Step 5: Solve for x
    x = 3,257,197,687,870.34/2,698,109.70
  6. Step 6: Final answer
    x = 1,207,214.70

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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.