Finding the Fourth Proportional to 4,579,245.36, 6,860,784.72 and 2,778,472.08
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Solution
The fourth proportional to 4,579,245.36, 6,860,784.72 and 2,778,472.08 is: 4,162,803.54
Step by Step Solution
- Step 1: Write the proportion equation
4,579,245.36 : 6,860,784.72 = 2,778,472.08 : x - Step 2: Convert to fraction form
4,579,245.36/6,860,784.72 = 2,778,472.08/x - Step 3: Cross multiply
4,579,245.36x = 6,860,784.72 × 2,778,472.08 - Step 4: Simplify right side
4,579,245.36x = 19,062,498,791,410.62 - Step 5: Solve for x
x = 19,062,498,791,410.62/4,579,245.36 - Step 6: Final answer
x = 4,162,803.54
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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.