Home / 5,167,478.28-7,123,728.78-3,634,828.68

Finding the Fourth Proportional to 5,167,478.28, 7,123,728.78 and 3,634,828.68

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Solution

The fourth proportional to 5,167,478.28, 7,123,728.78 and 3,634,828.68 is: 5,010,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167,478.28 : 7,123,728.78 = 3,634,828.68 : x
  2. Step 2: Convert to fraction form
    5,167,478.28/7,123,728.78 = 3,634,828.68/x
  3. Step 3: Cross multiply
    5,167,478.28x = 7,123,728.78 × 3,634,828.68
  4. Step 4: Simplify right side
    5,167,478.28x = 25,893,533,678,085.41
  5. Step 5: Solve for x
    x = 25,893,533,678,085.41/5,167,478.28
  6. Step 6: Final answer
    x = 5,010,864.54

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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.