Home / 3,477,421.40-5,213,021.70-2,279,917.40

Finding the Fourth Proportional to 3,477,421.40, 5,213,021.70 and 2,279,917.40

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Solution

The fourth proportional to 3,477,421.40, 5,213,021.70 and 2,279,917.40 is: 3,417,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477,421.40 : 5,213,021.70 = 2,279,917.40 : x
  2. Step 2: Convert to fraction form
    3,477,421.40/5,213,021.70 = 2,279,917.40/x
  3. Step 3: Cross multiply
    3,477,421.40x = 5,213,021.70 × 2,279,917.40
  4. Step 4: Simplify right side
    3,477,421.40x = 11,885,258,880,407.58
  5. Step 5: Solve for x
    x = 11,885,258,880,407.58/3,477,421.40
  6. Step 6: Final answer
    x = 3,417,836.81

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1.5x scale

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.