Home / 3,212,499.78-4,817,199.57-1,865,001.60

Finding the Fourth Proportional to 3,212,499.78, 4,817,199.57 and 1,865,001.60

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Solution

The fourth proportional to 3,212,499.78, 4,817,199.57 and 1,865,001.60 is: 2,796,602.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,499.78 : 4,817,199.57 = 1,865,001.60 : x
  2. Step 2: Convert to fraction form
    3,212,499.78/4,817,199.57 = 1,865,001.60/x
  3. Step 3: Cross multiply
    3,212,499.78x = 4,817,199.57 × 1,865,001.60
  4. Step 4: Simplify right side
    3,212,499.78x = 8,984,084,905,569.31
  5. Step 5: Solve for x
    x = 8,984,084,905,569.31/3,212,499.78
  6. Step 6: Final answer
    x = 2,796,602.50

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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.