Home / 3,181,931.88-4,391,165.60-1,805,333.63

Finding the Fourth Proportional to 3,181,931.88, 4,391,165.60 and 1,805,333.63

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Solution

The fourth proportional to 3,181,931.88, 4,391,165.60 and 1,805,333.63 is: 2,491,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,931.88 : 4,391,165.60 = 1,805,333.63 : x
  2. Step 2: Convert to fraction form
    3,181,931.88/4,391,165.60 = 1,805,333.63/x
  3. Step 3: Cross multiply
    3,181,931.88x = 4,391,165.60 × 1,805,333.63
  4. Step 4: Simplify right side
    3,181,931.88x = 7,927,518,901,596.63
  5. Step 5: Solve for x
    x = 7,927,518,901,596.63/3,181,931.88
  6. Step 6: Final answer
    x = 2,491,416.91

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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.