Home / 1,618,808.70-2,430,351.45-1,299,137.34

Finding the Fourth Proportional to 1,618,808.70, 2,430,351.45 and 1,299,137.34

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Solution

The fourth proportional to 1,618,808.70, 2,430,351.45 and 1,299,137.34 is: 1,950,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,808.70 : 2,430,351.45 = 1,299,137.34 : x
  2. Step 2: Convert to fraction form
    1,618,808.70/2,430,351.45 = 1,299,137.34/x
  3. Step 3: Cross multiply
    1,618,808.70x = 2,430,351.45 × 1,299,137.34
  4. Step 4: Simplify right side
    1,618,808.70x = 3,157,360,318,018.14
  5. Step 5: Solve for x
    x = 3,157,360,318,018.14/1,618,808.70
  6. Step 6: Final answer
    x = 1,950,422.13

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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.