Home / 1,531,590.65-2,114,249.28-1,090,350.07

Finding the Fourth Proportional to 1,531,590.65, 2,114,249.28 and 1,090,350.07

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Solution

The fourth proportional to 1,531,590.65, 2,114,249.28 and 1,090,350.07 is: 1,505,148.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,590.65 : 2,114,249.28 = 1,090,350.07 : x
  2. Step 2: Convert to fraction form
    1,531,590.65/2,114,249.28 = 1,090,350.07/x
  3. Step 3: Cross multiply
    1,531,590.65x = 2,114,249.28 × 1,090,350.07
  4. Step 4: Simplify right side
    1,531,590.65x = 2,305,271,850,445.45
  5. Step 5: Solve for x
    x = 2,305,271,850,445.45/1,531,590.65
  6. Step 6: Final answer
    x = 1,505,148.81

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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.