Finding the Fourth Proportional to 5,558,268.87, 8,331,622.97 and 2,148,897.18
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Solution
The fourth proportional to 5,558,268.87, 8,331,622.97 and 2,148,897.18 is: 3,221,111.02
Step by Step Solution
- Step 1: Write the proportion equation
5,558,268.87 : 8,331,622.97 = 2,148,897.18 : x - Step 2: Convert to fraction form
5,558,268.87/8,331,622.97 = 2,148,897.18/x - Step 3: Cross multiply
5,558,268.87x = 8,331,622.97 × 2,148,897.18 - Step 4: Simplify right side
5,558,268.87x = 17,903,801,094,311.74 - Step 5: Solve for x
x = 17,903,801,094,311.74/5,558,268.87 - Step 6: Final answer
x = 3,221,111.02
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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.