Home / 4,373,820.40-6,561,959.40-2,130,031.60

Finding the Fourth Proportional to 4,373,820.40, 6,561,959.40 and 2,130,031.60

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Solution

The fourth proportional to 4,373,820.40, 6,561,959.40 and 2,130,031.60 is: 3,195,645.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,373,820.40 : 6,561,959.40 = 2,130,031.60 : x
  2. Step 2: Convert to fraction form
    4,373,820.40/6,561,959.40 = 2,130,031.60/x
  3. Step 3: Cross multiply
    4,373,820.40x = 6,561,959.40 × 2,130,031.60
  4. Step 4: Simplify right side
    4,373,820.40x = 13,977,180,879,917.04
  5. Step 5: Solve for x
    x = 13,977,180,879,917.04/4,373,820.40
  6. Step 6: Final answer
    x = 3,195,645.82

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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.