Home / 1,818,216.72-2,508,582.96-1,054,117.80

Finding the Fourth Proportional to 1,818,216.72, 2,508,582.96 and 1,054,117.80

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Solution

The fourth proportional to 1,818,216.72, 2,508,582.96 and 1,054,117.80 is: 1,454,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,216.72 : 2,508,582.96 = 1,054,117.80 : x
  2. Step 2: Convert to fraction form
    1,818,216.72/2,508,582.96 = 1,054,117.80/x
  3. Step 3: Cross multiply
    1,818,216.72x = 2,508,582.96 × 1,054,117.80
  4. Step 4: Simplify right side
    1,818,216.72x = 2,644,341,950,912.69
  5. Step 5: Solve for x
    x = 2,644,341,950,912.69/1,818,216.72
  6. Step 6: Final answer
    x = 1,454,360.16

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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.