Home / 1,977,474.90-2,966,212.35-912,201.78

Finding the Fourth Proportional to 1,977,474.90, 2,966,212.35 and 912,201.78

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Solution

The fourth proportional to 1,977,474.90, 2,966,212.35 and 912,201.78 is: 1,368,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,474.90 : 2,966,212.35 = 912,201.78 : x
  2. Step 2: Convert to fraction form
    1,977,474.90/2,966,212.35 = 912,201.78/x
  3. Step 3: Cross multiply
    1,977,474.90x = 2,966,212.35 × 912,201.78
  4. Step 4: Simplify right side
    1,977,474.90x = 2,705,784,185,527.98
  5. Step 5: Solve for x
    x = 2,705,784,185,527.98/1,977,474.90
  6. Step 6: Final answer
    x = 1,368,302.67

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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.