Home / 1,919,187.89-2,648,933.60-1,103,862.67

Finding the Fourth Proportional to 1,919,187.89, 2,648,933.60 and 1,103,862.67

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Solution

The fourth proportional to 1,919,187.89, 2,648,933.60 and 1,103,862.67 is: 1,523,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,187.89 : 2,648,933.60 = 1,103,862.67 : x
  2. Step 2: Convert to fraction form
    1,919,187.89/2,648,933.60 = 1,103,862.67/x
  3. Step 3: Cross multiply
    1,919,187.89x = 2,648,933.60 × 1,103,862.67
  4. Step 4: Simplify right side
    1,919,187.89x = 2,924,058,916,348.71
  5. Step 5: Solve for x
    x = 2,924,058,916,348.71/1,919,187.89
  6. Step 6: Final answer
    x = 1,523,591.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.