Home / 1,845,142.80-2,762,465.40-1,635,190.80

Finding the Fourth Proportional to 1,845,142.80, 2,762,465.40 and 1,635,190.80

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Solution

The fourth proportional to 1,845,142.80, 2,762,465.40 and 1,635,190.80 is: 2,448,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,142.80 : 2,762,465.40 = 1,635,190.80 : x
  2. Step 2: Convert to fraction form
    1,845,142.80/2,762,465.40 = 1,635,190.80/x
  3. Step 3: Cross multiply
    1,845,142.80x = 2,762,465.40 × 1,635,190.80
  4. Step 4: Simplify right side
    1,845,142.80x = 4,517,158,007,398.32
  5. Step 5: Solve for x
    x = 4,517,158,007,398.32/1,845,142.80
  6. Step 6: Final answer
    x = 2,448,134.64

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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.