Home / 1,994,081.90-2,751,677.65-1,178,130.83

Finding the Fourth Proportional to 1,994,081.90, 2,751,677.65 and 1,178,130.83

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Solution

The fourth proportional to 1,994,081.90, 2,751,677.65 and 1,178,130.83 is: 1,625,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,081.90 : 2,751,677.65 = 1,178,130.83 : x
  2. Step 2: Convert to fraction form
    1,994,081.90/2,751,677.65 = 1,178,130.83/x
  3. Step 3: Cross multiply
    1,994,081.90x = 2,751,677.65 × 1,178,130.83
  4. Step 4: Simplify right side
    1,994,081.90x = 3,241,836,264,714.72
  5. Step 5: Solve for x
    x = 3,241,836,264,714.72/1,994,081.90
  6. Step 6: Final answer
    x = 1,625,728.74

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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.