Home / 1,815,751.90-2,505,957.78-1,090,980.10

Finding the Fourth Proportional to 1,815,751.90, 2,505,957.78 and 1,090,980.10

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Solution

The fourth proportional to 1,815,751.90, 2,505,957.78 and 1,090,980.10 is: 1,505,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,751.90 : 2,505,957.78 = 1,090,980.10 : x
  2. Step 2: Convert to fraction form
    1,815,751.90/2,505,957.78 = 1,090,980.10/x
  3. Step 3: Cross multiply
    1,815,751.90x = 2,505,957.78 × 1,090,980.10
  4. Step 4: Simplify right side
    1,815,751.90x = 2,733,950,069,420.18
  5. Step 5: Solve for x
    x = 2,733,950,069,420.18/1,815,751.90
  6. Step 6: Final answer
    x = 1,505,684.82

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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.