Home / 1,370,118.82-1,892,571.16-1,051,762.90

Finding the Fourth Proportional to 1,370,118.82, 1,892,571.16 and 1,051,762.90

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Solution

The fourth proportional to 1,370,118.82, 1,892,571.16 and 1,051,762.90 is: 1,452,820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,118.82 : 1,892,571.16 = 1,051,762.90 : x
  2. Step 2: Convert to fraction form
    1,370,118.82/1,892,571.16 = 1,051,762.90/x
  3. Step 3: Cross multiply
    1,370,118.82x = 1,892,571.16 × 1,051,762.90
  4. Step 4: Simplify right side
    1,370,118.82x = 1,990,536,131,697.96
  5. Step 5: Solve for x
    x = 1,990,536,131,697.96/1,370,118.82
  6. Step 6: Final answer
    x = 1,452,820.08

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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.