Home / 4,771,862.09-7,148,761.89-2,820,749.34

Finding the Fourth Proportional to 4,771,862.09, 7,148,761.89 and 2,820,749.34

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Solution

The fourth proportional to 4,771,862.09, 7,148,761.89 and 2,820,749.34 is: 4,225,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771,862.09 : 7,148,761.89 = 2,820,749.34 : x
  2. Step 2: Convert to fraction form
    4,771,862.09/7,148,761.89 = 2,820,749.34/x
  3. Step 3: Cross multiply
    4,771,862.09x = 7,148,761.89 × 2,820,749.34
  4. Step 4: Simplify right side
    4,771,862.09x = 20,164,865,383,034.65
  5. Step 5: Solve for x
    x = 20,164,865,383,034.65/4,771,862.09
  6. Step 6: Final answer
    x = 4,225,785.45

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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.