Home / 5,615,219.20-8,422,828.80-2,021,103.40

Finding the Fourth Proportional to 5,615,219.20, 8,422,828.80 and 2,021,103.40

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Solution

The fourth proportional to 5,615,219.20, 8,422,828.80 and 2,021,103.40 is: 3,031,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,219.20 : 8,422,828.80 = 2,021,103.40 : x
  2. Step 2: Convert to fraction form
    5,615,219.20/8,422,828.80 = 2,021,103.40/x
  3. Step 3: Cross multiply
    5,615,219.20x = 8,422,828.80 × 2,021,103.40
  4. Step 4: Simplify right side
    5,615,219.20x = 17,023,407,925,297.92
  5. Step 5: Solve for x
    x = 17,023,407,925,297.92/5,615,219.20
  6. Step 6: Final answer
    x = 3,031,655.10

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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.