Home / 2,097,816.40-3,148,279.80-1,387,608.40

Finding the Fourth Proportional to 2,097,816.40, 3,148,279.80 and 1,387,608.40

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Solution

The fourth proportional to 2,097,816.40, 3,148,279.80 and 1,387,608.40 is: 2,082,441.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097,816.40 : 3,148,279.80 = 1,387,608.40 : x
  2. Step 2: Convert to fraction form
    2,097,816.40/3,148,279.80 = 1,387,608.40/x
  3. Step 3: Cross multiply
    2,097,816.40x = 3,148,279.80 × 1,387,608.40
  4. Step 4: Simplify right side
    2,097,816.40x = 4,368,579,496,030.32
  5. Step 5: Solve for x
    x = 4,368,579,496,030.32/2,097,816.40
  6. Step 6: Final answer
    x = 2,082,441.29

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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.