Home / 1,563,670.85-2,161,983.20-1,369,521.86

Finding the Fourth Proportional to 1,563,670.85, 2,161,983.20 and 1,369,521.86

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Solution

The fourth proportional to 1,563,670.85, 2,161,983.20 and 1,369,521.86 is: 1,893,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,670.85 : 2,161,983.20 = 1,369,521.86 : x
  2. Step 2: Convert to fraction form
    1,563,670.85/2,161,983.20 = 1,369,521.86/x
  3. Step 3: Cross multiply
    1,563,670.85x = 2,161,983.20 × 1,369,521.86
  4. Step 4: Simplify right side
    1,563,670.85x = 2,960,883,235,695.23
  5. Step 5: Solve for x
    x = 2,960,883,235,695.23/1,563,670.85
  6. Step 6: Final answer
    x = 1,893,546.36

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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.