Finding the Fourth Proportional to 4,917,809.20, 7,373,506.20 and 4,413,924.40
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Solution
The fourth proportional to 4,917,809.20, 7,373,506.20 and 4,413,924.40 is: 6,618,007.65
Step by Step Solution
- Step 1: Write the proportion equation
4,917,809.20 : 7,373,506.20 = 4,413,924.40 : x - Step 2: Convert to fraction form
4,917,809.20/7,373,506.20 = 4,413,924.40/x - Step 3: Cross multiply
4,917,809.20x = 7,373,506.20 × 4,413,924.40 - Step 4: Simplify right side
4,917,809.20x = 32,546,098,929,731.29 - Step 5: Solve for x
x = 32,546,098,929,731.29/4,917,809.20 - Step 6: Final answer
x = 6,618,007.65
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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.