Home / 2,987,098.52-4,122,848.64-1,899,157.58

Finding the Fourth Proportional to 2,987,098.52, 4,122,848.64 and 1,899,157.58

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Solution

The fourth proportional to 2,987,098.52, 4,122,848.64 and 1,899,157.58 is: 2,621,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,098.52 : 4,122,848.64 = 1,899,157.58 : x
  2. Step 2: Convert to fraction form
    2,987,098.52/4,122,848.64 = 1,899,157.58/x
  3. Step 3: Cross multiply
    2,987,098.52x = 4,122,848.64 × 1,899,157.58
  4. Step 4: Simplify right side
    2,987,098.52x = 7,829,939,225,234.45
  5. Step 5: Solve for x
    x = 7,829,939,225,234.45/2,987,098.52
  6. Step 6: Final answer
    x = 2,621,252.42

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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.