Home / 1,848,490.20-2,768,069.70-1,213,968.60

Finding the Fourth Proportional to 1,848,490.20, 2,768,069.70 and 1,213,968.60

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Solution

The fourth proportional to 1,848,490.20, 2,768,069.70 and 1,213,968.60 is: 1,817,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,490.20 : 2,768,069.70 = 1,213,968.60 : x
  2. Step 2: Convert to fraction form
    1,848,490.20/2,768,069.70 = 1,213,968.60/x
  3. Step 3: Cross multiply
    1,848,490.20x = 2,768,069.70 × 1,213,968.60
  4. Step 4: Simplify right side
    1,848,490.20x = 3,360,349,698,411.42
  5. Step 5: Solve for x
    x = 3,360,349,698,411.42/1,848,490.20
  6. Step 6: Final answer
    x = 1,817,888.84

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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.