Home / 1,405,905.10-2,108,857.65-1,350,792.70

Finding the Fourth Proportional to 1,405,905.10, 2,108,857.65 and 1,350,792.70

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Solution

The fourth proportional to 1,405,905.10, 2,108,857.65 and 1,350,792.70 is: 2,026,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,905.10 : 2,108,857.65 = 1,350,792.70 : x
  2. Step 2: Convert to fraction form
    1,405,905.10/2,108,857.65 = 1,350,792.70/x
  3. Step 3: Cross multiply
    1,405,905.10x = 2,108,857.65 × 1,350,792.70
  4. Step 4: Simplify right side
    1,405,905.10x = 2,848,629,518,959.16
  5. Step 5: Solve for x
    x = 2,848,629,518,959.16/1,405,905.10
  6. Step 6: Final answer
    x = 2,026,189.05

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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.