Finding the Fourth Proportional to 5,385,095.40, 8,067,812.70 and 3,281,389.80
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Solution
The fourth proportional to 5,385,095.40, 8,067,812.70 and 3,281,389.80 is: 4,916,094.58
Step by Step Solution
- Step 1: Write the proportion equation
5,385,095.40 : 8,067,812.70 = 3,281,389.80 : x - Step 2: Convert to fraction form
5,385,095.40/8,067,812.70 = 3,281,389.80/x - Step 3: Cross multiply
5,385,095.40x = 8,067,812.70 × 3,281,389.80 - Step 4: Simplify right side
5,385,095.40x = 26,473,638,302,090.46 - Step 5: Solve for x
x = 26,473,638,302,090.46/5,385,095.40 - Step 6: Final answer
x = 4,916,094.58
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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.