Home / 1,931,302.49-2,897,064.44-511,321.67

Finding the Fourth Proportional to 1,931,302.49, 2,897,064.44 and 511,321.67

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Solution

The fourth proportional to 1,931,302.49, 2,897,064.44 and 511,321.67 is: 767,011.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,302.49 : 2,897,064.44 = 511,321.67 : x
  2. Step 2: Convert to fraction form
    1,931,302.49/2,897,064.44 = 511,321.67/x
  3. Step 3: Cross multiply
    1,931,302.49x = 2,897,064.44 × 511,321.67
  4. Step 4: Simplify right side
    1,931,302.49x = 1,481,331,810,516.48
  5. Step 5: Solve for x
    x = 1,481,331,810,516.48/1,931,302.49
  6. Step 6: Final answer
    x = 767,011.81

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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.