Home / 2,169,740.32-2,994,418.44-1,203,173.68

Finding the Fourth Proportional to 2,169,740.32, 2,994,418.44 and 1,203,173.68

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Solution

The fourth proportional to 2,169,740.32, 2,994,418.44 and 1,203,173.68 is: 1,660,477.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169,740.32 : 2,994,418.44 = 1,203,173.68 : x
  2. Step 2: Convert to fraction form
    2,169,740.32/2,994,418.44 = 1,203,173.68/x
  3. Step 3: Cross multiply
    2,169,740.32x = 2,994,418.44 × 1,203,173.68
  4. Step 4: Simplify right side
    2,169,740.32x = 3,602,805,453,914.66
  5. Step 5: Solve for x
    x = 3,602,805,453,914.66/2,169,740.32
  6. Step 6: Final answer
    x = 1,660,477.72

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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.