Home / 2,870,869.43-4,311,218.32-1,917,451.64

Finding the Fourth Proportional to 2,870,869.43, 4,311,218.32 and 1,917,451.64

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Solution

The fourth proportional to 2,870,869.43, 4,311,218.32 and 1,917,451.64 is: 2,879,459.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,869.43 : 4,311,218.32 = 1,917,451.64 : x
  2. Step 2: Convert to fraction form
    2,870,869.43/4,311,218.32 = 1,917,451.64/x
  3. Step 3: Cross multiply
    2,870,869.43x = 4,311,218.32 × 1,917,451.64
  4. Step 4: Simplify right side
    2,870,869.43x = 8,266,552,644,066.46
  5. Step 5: Solve for x
    x = 8,266,552,644,066.46/2,870,869.43
  6. Step 6: Final answer
    x = 2,879,459.63

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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.