Home / 1,821,360.30-2,513,463.63-1,005,563.82

Finding the Fourth Proportional to 1,821,360.30, 2,513,463.63 and 1,005,563.82

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Solution

The fourth proportional to 1,821,360.30, 2,513,463.63 and 1,005,563.82 is: 1,387,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,360.30 : 2,513,463.63 = 1,005,563.82 : x
  2. Step 2: Convert to fraction form
    1,821,360.30/2,513,463.63 = 1,005,563.82/x
  3. Step 3: Cross multiply
    1,821,360.30x = 2,513,463.63 × 1,005,563.82
  4. Step 4: Simplify right side
    1,821,360.30x = 2,527,448,089,213.87
  5. Step 5: Solve for x
    x = 2,527,448,089,213.87/1,821,360.30
  6. Step 6: Final answer
    x = 1,387,670.57

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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.