Home / 1,405,102.60-2,107,653.90-1,384,107.40

Finding the Fourth Proportional to 1,405,102.60, 2,107,653.90 and 1,384,107.40

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Solution

The fourth proportional to 1,405,102.60, 2,107,653.90 and 1,384,107.40 is: 2,076,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,102.60 : 2,107,653.90 = 1,384,107.40 : x
  2. Step 2: Convert to fraction form
    1,405,102.60/2,107,653.90 = 1,384,107.40/x
  3. Step 3: Cross multiply
    1,405,102.60x = 2,107,653.90 × 1,384,107.40
  4. Step 4: Simplify right side
    1,405,102.60x = 2,917,219,359,628.86
  5. Step 5: Solve for x
    x = 2,917,219,359,628.86/1,405,102.60
  6. Step 6: Final answer
    x = 2,076,161.10

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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.