Home / 3,129,264.59-4,319,058.98-1,905,973.43

Finding the Fourth Proportional to 3,129,264.59, 4,319,058.98 and 1,905,973.43

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Solution

The fourth proportional to 3,129,264.59, 4,319,058.98 and 1,905,973.43 is: 2,630,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,264.59 : 4,319,058.98 = 1,905,973.43 : x
  2. Step 2: Convert to fraction form
    3,129,264.59/4,319,058.98 = 1,905,973.43/x
  3. Step 3: Cross multiply
    3,129,264.59x = 4,319,058.98 × 1,905,973.43
  4. Step 4: Simplify right side
    3,129,264.59x = 8,232,011,641,652.54
  5. Step 5: Solve for x
    x = 8,232,011,641,652.54/3,129,264.59
  6. Step 6: Final answer
    x = 2,630,653.76

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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.