Home / 1,898,436.64-2,846,605.20-1,443,190.72

Finding the Fourth Proportional to 1,898,436.64, 2,846,605.20 and 1,443,190.72

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Solution

The fourth proportional to 1,898,436.64, 2,846,605.20 and 1,443,190.72 is: 2,163,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,436.64 : 2,846,605.20 = 1,443,190.72 : x
  2. Step 2: Convert to fraction form
    1,898,436.64/2,846,605.20 = 1,443,190.72/x
  3. Step 3: Cross multiply
    1,898,436.64x = 2,846,605.20 × 1,443,190.72
  4. Step 4: Simplify right side
    1,898,436.64x = 4,108,194,208,143.74
  5. Step 5: Solve for x
    x = 4,108,194,208,143.74/1,898,436.64
  6. Step 6: Final answer
    x = 2,163,988.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.