Home / 1,931,918.70-2,897,748.45-511,944.30

Finding the Fourth Proportional to 1,931,918.70, 2,897,748.45 and 511,944.30

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Solution

The fourth proportional to 1,931,918.70, 2,897,748.45 and 511,944.30 is: 767,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,918.70 : 2,897,748.45 = 511,944.30 : x
  2. Step 2: Convert to fraction form
    1,931,918.70/2,897,748.45 = 511,944.30/x
  3. Step 3: Cross multiply
    1,931,918.70x = 2,897,748.45 × 511,944.30
  4. Step 4: Simplify right side
    1,931,918.70x = 1,483,485,801,811.34
  5. Step 5: Solve for x
    x = 1,483,485,801,811.34/1,931,918.70
  6. Step 6: Final answer
    x = 767,882.11

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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.