Home / 2,910,421.08-4,016,502.10-1,621,261.12

Finding the Fourth Proportional to 2,910,421.08, 4,016,502.10 and 1,621,261.12

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Solution

The fourth proportional to 2,910,421.08, 4,016,502.10 and 1,621,261.12 is: 2,237,407.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,421.08 : 4,016,502.10 = 1,621,261.12 : x
  2. Step 2: Convert to fraction form
    2,910,421.08/4,016,502.10 = 1,621,261.12/x
  3. Step 3: Cross multiply
    2,910,421.08x = 4,016,502.10 × 1,621,261.12
  4. Step 4: Simplify right side
    2,910,421.08x = 6,511,798,693,128.35
  5. Step 5: Solve for x
    x = 6,511,798,693,128.35/2,910,421.08
  6. Step 6: Final answer
    x = 2,237,407.75

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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.