Home / 1,936,721.91-2,672,636.89-1,077,263.67

Finding the Fourth Proportional to 1,936,721.91, 2,672,636.89 and 1,077,263.67

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Solution

The fourth proportional to 1,936,721.91, 2,672,636.89 and 1,077,263.67 is: 1,486,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,721.91 : 2,672,636.89 = 1,077,263.67 : x
  2. Step 2: Convert to fraction form
    1,936,721.91/2,672,636.89 = 1,077,263.67/x
  3. Step 3: Cross multiply
    1,936,721.91x = 2,672,636.89 × 1,077,263.67
  4. Step 4: Simplify right side
    1,936,721.91x = 2,879,134,624,698.79
  5. Step 5: Solve for x
    x = 2,879,134,624,698.79/1,936,721.91
  6. Step 6: Final answer
    x = 1,486,601.98

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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.