Home / 2,230,719.26-3,078,412.05-1,212,123.98

Finding the Fourth Proportional to 2,230,719.26, 3,078,412.05 and 1,212,123.98

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Solution

The fourth proportional to 2,230,719.26, 3,078,412.05 and 1,212,123.98 is: 1,672,741.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,719.26 : 3,078,412.05 = 1,212,123.98 : x
  2. Step 2: Convert to fraction form
    2,230,719.26/3,078,412.05 = 1,212,123.98/x
  3. Step 3: Cross multiply
    2,230,719.26x = 3,078,412.05 × 1,212,123.98
  4. Step 4: Simplify right side
    2,230,719.26x = 3,731,417,066,125.96
  5. Step 5: Solve for x
    x = 3,731,417,066,125.96/2,230,719.26
  6. Step 6: Final answer
    x = 1,672,741.67

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1.5x scale

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.