Home / 1,984,853.70-2,739,714.84-1,577,678.04

Finding the Fourth Proportional to 1,984,853.70, 2,739,714.84 and 1,577,678.04

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Solution

The fourth proportional to 1,984,853.70, 2,739,714.84 and 1,577,678.04 is: 2,177,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,853.70 : 2,739,714.84 = 1,577,678.04 : x
  2. Step 2: Convert to fraction form
    1,984,853.70/2,739,714.84 = 1,577,678.04/x
  3. Step 3: Cross multiply
    1,984,853.70x = 2,739,714.84 × 1,577,678.04
  4. Step 4: Simplify right side
    1,984,853.70x = 4,322,387,938,930.11
  5. Step 5: Solve for x
    x = 4,322,387,938,930.11/1,984,853.70
  6. Step 6: Final answer
    x = 2,177,685.91

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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.