Home / 1,985,699.61-2,740,277.39-1,080,288.09

Finding the Fourth Proportional to 1,985,699.61, 2,740,277.39 and 1,080,288.09

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Solution

The fourth proportional to 1,985,699.61, 2,740,277.39 and 1,080,288.09 is: 1,490,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,699.61 : 2,740,277.39 = 1,080,288.09 : x
  2. Step 2: Convert to fraction form
    1,985,699.61/2,740,277.39 = 1,080,288.09/x
  3. Step 3: Cross multiply
    1,985,699.61x = 2,740,277.39 × 1,080,288.09
  4. Step 4: Simplify right side
    1,985,699.61x = 2,960,289,022,311.85
  5. Step 5: Solve for x
    x = 2,960,289,022,311.85/1,985,699.61
  6. Step 6: Final answer
    x = 1,490,804.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.