Home / 3,828,749.51-5,283,709.22-2,109,931.67

Finding the Fourth Proportional to 3,828,749.51, 5,283,709.22 and 2,109,931.67

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Solution

The fourth proportional to 3,828,749.51, 5,283,709.22 and 2,109,931.67 is: 2,911,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,749.51 : 5,283,709.22 = 2,109,931.67 : x
  2. Step 2: Convert to fraction form
    3,828,749.51/5,283,709.22 = 2,109,931.67/x
  3. Step 3: Cross multiply
    3,828,749.51x = 5,283,709.22 × 2,109,931.67
  4. Step 4: Simplify right side
    3,828,749.51x = 11,148,265,418,349.00
  5. Step 5: Solve for x
    x = 11,148,265,418,349.00/3,828,749.51
  6. Step 6: Final answer
    x = 2,911,724.94

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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.