Home / 2,279,601.21-3,145,541.56-1,299,666.67

Finding the Fourth Proportional to 2,279,601.21, 3,145,541.56 and 1,299,666.67

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Solution

The fourth proportional to 2,279,601.21, 3,145,541.56 and 1,299,666.67 is: 1,793,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,601.21 : 3,145,541.56 = 1,299,666.67 : x
  2. Step 2: Convert to fraction form
    2,279,601.21/3,145,541.56 = 1,299,666.67/x
  3. Step 3: Cross multiply
    2,279,601.21x = 3,145,541.56 × 1,299,666.67
  4. Step 4: Simplify right side
    2,279,601.21x = 4,088,155,524,631.81
  5. Step 5: Solve for x
    x = 4,088,155,524,631.81/2,279,601.21
  6. Step 6: Final answer
    x = 1,793,364.34

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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.