Home / 5,232,917.61-7,849,376.55-1,638,965.88

Finding the Fourth Proportional to 5,232,917.61, 7,849,376.55 and 1,638,965.88

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Solution

The fourth proportional to 5,232,917.61, 7,849,376.55 and 1,638,965.88 is: 2,458,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232,917.61 : 7,849,376.55 = 1,638,965.88 : x
  2. Step 2: Convert to fraction form
    5,232,917.61/7,849,376.55 = 1,638,965.88/x
  3. Step 3: Cross multiply
    5,232,917.61x = 7,849,376.55 × 1,638,965.88
  4. Step 4: Simplify right side
    5,232,917.61x = 12,864,860,344,722.11
  5. Step 5: Solve for x
    x = 12,864,860,344,722.11/5,232,917.61
  6. Step 6: Final answer
    x = 2,458,448.86

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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.