Home / 1,908,922.78-2,634,714.84-1,210,751.58

Finding the Fourth Proportional to 1,908,922.78, 2,634,714.84 and 1,210,751.58

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Solution

The fourth proportional to 1,908,922.78, 2,634,714.84 and 1,210,751.58 is: 1,671,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,922.78 : 2,634,714.84 = 1,210,751.58 : x
  2. Step 2: Convert to fraction form
    1,908,922.78/2,634,714.84 = 1,210,751.58/x
  3. Step 3: Cross multiply
    1,908,922.78x = 2,634,714.84 × 1,210,751.58
  4. Step 4: Simplify right side
    1,908,922.78x = 3,189,985,169,799.95
  5. Step 5: Solve for x
    x = 3,189,985,169,799.95/1,908,922.78
  6. Step 6: Final answer
    x = 1,671,091.78

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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.