Home / 1,934,125.73-2,669,106.31-1,209,397.67

Finding the Fourth Proportional to 1,934,125.73, 2,669,106.31 and 1,209,397.67

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Solution

The fourth proportional to 1,934,125.73, 2,669,106.31 and 1,209,397.67 is: 1,668,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934,125.73 : 2,669,106.31 = 1,209,397.67 : x
  2. Step 2: Convert to fraction form
    1,934,125.73/2,669,106.31 = 1,209,397.67/x
  3. Step 3: Cross multiply
    1,934,125.73x = 2,669,106.31 × 1,209,397.67
  4. Step 4: Simplify right side
    1,934,125.73x = 3,228,010,935,927.27
  5. Step 5: Solve for x
    x = 3,228,010,935,927.27/1,934,125.73
  6. Step 6: Final answer
    x = 1,668,976.79

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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.