Home / 4,981,345-7,470,656.22-1,785,877.48

Finding the Fourth Proportional to 4,981,345, 7,470,656.22 and 1,785,877.48

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Solution

The fourth proportional to 4,981,345, 7,470,656.22 and 1,785,877.48 is: 2,678,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981,345 : 7,470,656.22 = 1,785,877.48 : x
  2. Step 2: Convert to fraction form
    4,981,345/7,470,656.22 = 1,785,877.48/x
  3. Step 3: Cross multiply
    4,981,345x = 7,470,656.22 × 1,785,877.48
  4. Step 4: Simplify right side
    4,981,345x = 13,341,676,704,119.93
  5. Step 5: Solve for x
    x = 13,341,676,704,119.93/4,981,345
  6. Step 6: Final answer
    x = 2,678,328.18

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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.