Home / 2,490,979.72-3,722,821.16-1,818,477.16

Finding the Fourth Proportional to 2,490,979.72, 3,722,821.16 and 1,818,477.16

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Solution

The fourth proportional to 2,490,979.72, 3,722,821.16 and 1,818,477.16 is: 2,717,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490,979.72 : 3,722,821.16 = 1,818,477.16 : x
  2. Step 2: Convert to fraction form
    2,490,979.72/3,722,821.16 = 1,818,477.16/x
  3. Step 3: Cross multiply
    2,490,979.72x = 3,722,821.16 × 1,818,477.16
  4. Step 4: Simplify right side
    2,490,979.72x = 6,769,865,250,224.71
  5. Step 5: Solve for x
    x = 6,769,865,250,224.71/2,490,979.72
  6. Step 6: Final answer
    x = 2,717,752.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.