Home / 1,947,865.66-2,688,321.64-1,120,922.22

Finding the Fourth Proportional to 1,947,865.66, 2,688,321.64 and 1,120,922.22

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Solution

The fourth proportional to 1,947,865.66, 2,688,321.64 and 1,120,922.22 is: 1,547,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,865.66 : 2,688,321.64 = 1,120,922.22 : x
  2. Step 2: Convert to fraction form
    1,947,865.66/2,688,321.64 = 1,120,922.22/x
  3. Step 3: Cross multiply
    1,947,865.66x = 2,688,321.64 × 1,120,922.22
  4. Step 4: Simplify right side
    1,947,865.66x = 3,013,399,460,782.84
  5. Step 5: Solve for x
    x = 3,013,399,460,782.84/1,947,865.66
  6. Step 6: Final answer
    x = 1,547,026.33

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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.