Home / 2,901,778.80-4,356,815.40-1,642,066.80

Finding the Fourth Proportional to 2,901,778.80, 4,356,815.40 and 1,642,066.80

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Solution

The fourth proportional to 2,901,778.80, 4,356,815.40 and 1,642,066.80 is: 2,465,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901,778.80 : 4,356,815.40 = 1,642,066.80 : x
  2. Step 2: Convert to fraction form
    2,901,778.80/4,356,815.40 = 1,642,066.80/x
  3. Step 3: Cross multiply
    2,901,778.80x = 4,356,815.40 × 1,642,066.80
  4. Step 4: Simplify right side
    2,901,778.80x = 7,154,181,922,068.72
  5. Step 5: Solve for x
    x = 7,154,181,922,068.72/2,901,778.80
  6. Step 6: Final answer
    x = 2,465,447.03

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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.