Home / 4,981,352-7,470,666.72-1,785,884.48

Finding the Fourth Proportional to 4,981,352, 7,470,666.72 and 1,785,884.48

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Solution

The fourth proportional to 4,981,352, 7,470,666.72 and 1,785,884.48 is: 2,678,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981,352 : 7,470,666.72 = 1,785,884.48 : x
  2. Step 2: Convert to fraction form
    4,981,352/7,470,666.72 = 1,785,884.48/x
  3. Step 3: Cross multiply
    4,981,352x = 7,470,666.72 × 1,785,884.48
  4. Step 4: Simplify right side
    4,981,352x = 13,341,747,750,500.51
  5. Step 5: Solve for x
    x = 13,341,747,750,500.51/4,981,352
  6. Step 6: Final answer
    x = 2,678,338.68

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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.