Home / 1,621,699.22-2,237,948.94-886,700.91

Finding the Fourth Proportional to 1,621,699.22, 2,237,948.94 and 886,700.91

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Solution

The fourth proportional to 1,621,699.22, 2,237,948.94 and 886,700.91 is: 1,223,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,699.22 : 2,237,948.94 = 886,700.91 : x
  2. Step 2: Convert to fraction form
    1,621,699.22/2,237,948.94 = 886,700.91/x
  3. Step 3: Cross multiply
    1,621,699.22x = 2,237,948.94 × 886,700.91
  4. Step 4: Simplify right side
    1,621,699.22x = 1,984,391,365,009.66
  5. Step 5: Solve for x
    x = 1,984,391,365,009.66/1,621,699.22
  6. Step 6: Final answer
    x = 1,223,649.46

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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.