Home / 6,191,627.20-9,288,315.60-1,931,351.20

Finding the Fourth Proportional to 6,191,627.20, 9,288,315.60 and 1,931,351.20

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Solution

The fourth proportional to 6,191,627.20, 9,288,315.60 and 1,931,351.20 is: 2,897,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191,627.20 : 9,288,315.60 = 1,931,351.20 : x
  2. Step 2: Convert to fraction form
    6,191,627.20/9,288,315.60 = 1,931,351.20/x
  3. Step 3: Cross multiply
    6,191,627.20x = 9,288,315.60 × 1,931,351.20
  4. Step 4: Simplify right side
    6,191,627.20x = 17,938,999,480,038.72
  5. Step 5: Solve for x
    x = 17,938,999,480,038.72/6,191,627.20
  6. Step 6: Final answer
    x = 2,897,299.68

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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.