Home / 2,107,027.20-2,907,677.28-1,140,136.32

Finding the Fourth Proportional to 2,107,027.20, 2,907,677.28 and 1,140,136.32

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Solution

The fourth proportional to 2,107,027.20, 2,907,677.28 and 1,140,136.32 is: 1,573,377.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,027.20 : 2,907,677.28 = 1,140,136.32 : x
  2. Step 2: Convert to fraction form
    2,107,027.20/2,907,677.28 = 1,140,136.32/x
  3. Step 3: Cross multiply
    2,107,027.20x = 2,907,677.28 × 1,140,136.32
  4. Step 4: Simplify right side
    2,107,027.20x = 3,315,148,473,766.81
  5. Step 5: Solve for x
    x = 3,315,148,473,766.81/2,107,027.20
  6. Step 6: Final answer
    x = 1,573,377.16

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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.