Finding the Fourth Proportional to 2,138,492.80, 3,208,558.40 and 2,104,905.60
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Solution
The fourth proportional to 2,138,492.80, 3,208,558.40 and 2,104,905.60 is: 3,158,164.73
Step by Step Solution
- Step 1: Write the proportion equation
2,138,492.80 : 3,208,558.40 = 2,104,905.60 : x - Step 2: Convert to fraction form
2,138,492.80/3,208,558.40 = 2,104,905.60/x - Step 3: Cross multiply
2,138,492.80x = 3,208,558.40 × 2,104,905.60 - Step 4: Simplify right side
2,138,492.80x = 6,753,712,544,087.04 - Step 5: Solve for x
x = 6,753,712,544,087.04/2,138,492.80 - Step 6: Final answer
x = 3,158,164.73
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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.