Home / 3,349,120.22-4,621,646.36-1,898,913.66

Finding the Fourth Proportional to 3,349,120.22, 4,621,646.36 and 1,898,913.66

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Solution

The fourth proportional to 3,349,120.22, 4,621,646.36 and 1,898,913.66 is: 2,620,421.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349,120.22 : 4,621,646.36 = 1,898,913.66 : x
  2. Step 2: Convert to fraction form
    3,349,120.22/4,621,646.36 = 1,898,913.66/x
  3. Step 3: Cross multiply
    3,349,120.22x = 4,621,646.36 × 1,898,913.66
  4. Step 4: Simplify right side
    3,349,120.22x = 8,776,107,404,693.28
  5. Step 5: Solve for x
    x = 8,776,107,404,693.28/3,349,120.22
  6. Step 6: Final answer
    x = 2,620,421.73

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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.