Home / 5,474,568.78-8,213,026.86-1,636,691.58

Finding the Fourth Proportional to 5,474,568.78, 8,213,026.86 and 1,636,691.58

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Solution

The fourth proportional to 5,474,568.78, 8,213,026.86 and 1,636,691.58 is: 2,455,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474,568.78 : 8,213,026.86 = 1,636,691.58 : x
  2. Step 2: Convert to fraction form
    5,474,568.78/8,213,026.86 = 1,636,691.58/x
  3. Step 3: Cross multiply
    5,474,568.78x = 8,213,026.86 × 1,636,691.58
  4. Step 4: Simplify right side
    5,474,568.78x = 13,442,191,908,075.84
  5. Step 5: Solve for x
    x = 13,442,191,908,075.84/5,474,568.78
  6. Step 6: Final answer
    x = 2,455,388.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.