Home / 1,662,051.40-2,493,077.10-1,378,616.20

Finding the Fourth Proportional to 1,662,051.40, 2,493,077.10 and 1,378,616.20

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Solution

The fourth proportional to 1,662,051.40, 2,493,077.10 and 1,378,616.20 is: 2,067,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,051.40 : 2,493,077.10 = 1,378,616.20 : x
  2. Step 2: Convert to fraction form
    1,662,051.40/2,493,077.10 = 1,378,616.20/x
  3. Step 3: Cross multiply
    1,662,051.40x = 2,493,077.10 × 1,378,616.20
  4. Step 4: Simplify right side
    1,662,051.40x = 3,436,996,477,909.02
  5. Step 5: Solve for x
    x = 3,436,996,477,909.02/1,662,051.40
  6. Step 6: Final answer
    x = 2,067,924.30

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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.