Finding the Fourth Proportional to 5,312,622.02, 7,330,853.09 and 2,989,474.04
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Solution
The fourth proportional to 5,312,622.02, 7,330,853.09 and 2,989,474.04 is: 4,125,156.08
Step by Step Solution
- Step 1: Write the proportion equation
5,312,622.02 : 7,330,853.09 = 2,989,474.04 : x - Step 2: Convert to fraction form
5,312,622.02/7,330,853.09 = 2,989,474.04/x - Step 3: Cross multiply
5,312,622.02x = 7,330,853.09 × 2,989,474.04 - Step 4: Simplify right side
5,312,622.02x = 21,915,395,029,409.60 - Step 5: Solve for x
x = 21,915,395,029,409.60/5,312,622.02 - Step 6: Final answer
x = 4,125,156.08
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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.