Finding the Fourth Proportional to 5,558,962.60, 8,341,208.70 and 2,193,279.40
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Solution
The fourth proportional to 5,558,962.60, 8,341,208.70 and 2,193,279.40 is: 3,291,009.95
Step by Step Solution
- Step 1: Write the proportion equation
5,558,962.60 : 8,341,208.70 = 2,193,279.40 : x - Step 2: Convert to fraction form
5,558,962.60/8,341,208.70 = 2,193,279.40/x - Step 3: Cross multiply
5,558,962.60x = 8,341,208.70 × 2,193,279.40 - Step 4: Simplify right side
5,558,962.60x = 18,294,601,212,810.78 - Step 5: Solve for x
x = 18,294,601,212,810.78/5,558,962.60 - Step 6: Final answer
x = 3,291,009.95
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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.