Home / 1,892,408.98-2,838,653.80-678,064.94

Finding the Fourth Proportional to 1,892,408.98, 2,838,653.80 and 678,064.94

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Solution

The fourth proportional to 1,892,408.98, 2,838,653.80 and 678,064.94 is: 1,017,111.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,408.98 : 2,838,653.80 = 678,064.94 : x
  2. Step 2: Convert to fraction form
    1,892,408.98/2,838,653.80 = 678,064.94/x
  3. Step 3: Cross multiply
    1,892,408.98x = 2,838,653.80 × 678,064.94
  4. Step 4: Simplify right side
    1,892,408.98x = 1,924,791,618,577.77
  5. Step 5: Solve for x
    x = 1,924,791,618,577.77/1,892,408.98
  6. Step 6: Final answer
    x = 1,017,111.86

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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.