Home / 3,129,266.59-4,319,061.74-1,905,975.43

Finding the Fourth Proportional to 3,129,266.59, 4,319,061.74 and 1,905,975.43

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Solution

The fourth proportional to 3,129,266.59, 4,319,061.74 and 1,905,975.43 is: 2,630,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,266.59 : 4,319,061.74 = 1,905,975.43 : x
  2. Step 2: Convert to fraction form
    3,129,266.59/4,319,061.74 = 1,905,975.43/x
  3. Step 3: Cross multiply
    3,129,266.59x = 4,319,061.74 × 1,905,975.43
  4. Step 4: Simplify right side
    3,129,266.59x = 8,232,025,557,093.05
  5. Step 5: Solve for x
    x = 8,232,025,557,093.05/3,129,266.59
  6. Step 6: Final answer
    x = 2,630,656.52

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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.