Home / 2,909,058.21-4,014,500.13-1,686,073.12

Finding the Fourth Proportional to 2,909,058.21, 4,014,500.13 and 1,686,073.12

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Solution

The fourth proportional to 2,909,058.21, 4,014,500.13 and 1,686,073.12 is: 2,326,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,058.21 : 4,014,500.13 = 1,686,073.12 : x
  2. Step 2: Convert to fraction form
    2,909,058.21/4,014,500.13 = 1,686,073.12/x
  3. Step 3: Cross multiply
    2,909,058.21x = 4,014,500.13 × 1,686,073.12
  4. Step 4: Simplify right side
    2,909,058.21x = 6,768,740,749,393.26
  5. Step 5: Solve for x
    x = 6,768,740,749,393.26/2,909,058.21
  6. Step 6: Final answer
    x = 2,326,780.79

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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.