Home / 4,785,851.12-7,172,789.69-2,390,364.41

Finding the Fourth Proportional to 4,785,851.12, 7,172,789.69 and 2,390,364.41

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Solution

The fourth proportional to 4,785,851.12, 7,172,789.69 and 2,390,364.41 is: 3,582,556.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,851.12 : 7,172,789.69 = 2,390,364.41 : x
  2. Step 2: Convert to fraction form
    4,785,851.12/7,172,789.69 = 2,390,364.41/x
  3. Step 3: Cross multiply
    4,785,851.12x = 7,172,789.69 × 2,390,364.41
  4. Step 4: Simplify right side
    4,785,851.12x = 17,145,581,165,502.89
  5. Step 5: Solve for x
    x = 17,145,581,165,502.89/4,785,851.12
  6. Step 6: Final answer
    x = 3,582,556.32

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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.