Home / 1,927,811.05-2,660,321.10-1,056,626.77

Finding the Fourth Proportional to 1,927,811.05, 2,660,321.10 and 1,056,626.77

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Solution

The fourth proportional to 1,927,811.05, 2,660,321.10 and 1,056,626.77 is: 1,458,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,811.05 : 2,660,321.10 = 1,056,626.77 : x
  2. Step 2: Convert to fraction form
    1,927,811.05/2,660,321.10 = 1,056,626.77/x
  3. Step 3: Cross multiply
    1,927,811.05x = 2,660,321.10 × 1,056,626.77
  4. Step 4: Simplify right side
    1,927,811.05x = 2,810,966,494,381.25
  5. Step 5: Solve for x
    x = 2,810,966,494,381.25/1,927,811.05
  6. Step 6: Final answer
    x = 1,458,113.07

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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.