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Finding the Fourth Proportional to 1,618,101, 2,232,980.34 and 902,709

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Solution

The fourth proportional to 1,618,101, 2,232,980.34 and 902,709 is: 1,245,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,101 : 2,232,980.34 = 902,709 : x
  2. Step 2: Convert to fraction form
    1,618,101/2,232,980.34 = 902,709/x
  3. Step 3: Cross multiply
    1,618,101x = 2,232,980.34 × 902,709
  4. Step 4: Simplify right side
    1,618,101x = 2,015,731,449,741.06
  5. Step 5: Solve for x
    x = 2,015,731,449,741.06/1,618,101
  6. Step 6: Final answer
    x = 1,245,738.96

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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.