Home / 1,616,079.43-2,230,206.81-890,953.10

Finding the Fourth Proportional to 1,616,079.43, 2,230,206.81 and 890,953.10

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Solution

The fourth proportional to 1,616,079.43, 2,230,206.81 and 890,953.10 is: 1,229,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,079.43 : 2,230,206.81 = 890,953.10 : x
  2. Step 2: Convert to fraction form
    1,616,079.43/2,230,206.81 = 890,953.10/x
  3. Step 3: Cross multiply
    1,616,079.43x = 2,230,206.81 × 890,953.10
  4. Step 4: Simplify right side
    1,616,079.43x = 1,987,009,671,010.61
  5. Step 5: Solve for x
    x = 1,987,009,671,010.61/1,616,079.43
  6. Step 6: Final answer
    x = 1,229,524.76

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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.