Home / 2,255,075.52-3,116,127.15-1,642,161.48

Finding the Fourth Proportional to 2,255,075.52, 3,116,127.15 and 1,642,161.48

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Solution

The fourth proportional to 2,255,075.52, 3,116,127.15 and 1,642,161.48 is: 2,269,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,075.52 : 3,116,127.15 = 1,642,161.48 : x
  2. Step 2: Convert to fraction form
    2,255,075.52/3,116,127.15 = 1,642,161.48/x
  3. Step 3: Cross multiply
    2,255,075.52x = 3,116,127.15 × 1,642,161.48
  4. Step 4: Simplify right side
    2,255,075.52x = 5,117,183,972,512.18
  5. Step 5: Solve for x
    x = 5,117,183,972,512.18/2,255,075.52
  6. Step 6: Final answer
    x = 2,269,185.19

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1.5x scale

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.