Finding the Fourth Proportional to 5,415,979.14, 8,124,508.98 and 2,005,177.68
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Solution
The fourth proportional to 5,415,979.14, 8,124,508.98 and 2,005,177.68 is: 3,007,966.55
Step by Step Solution
- Step 1: Write the proportion equation
5,415,979.14 : 8,124,508.98 = 2,005,177.68 : x - Step 2: Convert to fraction form
5,415,979.14/8,124,508.98 = 2,005,177.68/x - Step 3: Cross multiply
5,415,979.14x = 8,124,508.98 × 2,005,177.68 - Step 4: Simplify right side
5,415,979.14x = 16,291,084,067,655.57 - Step 5: Solve for x
x = 16,291,084,067,655.57/5,415,979.14 - Step 6: Final answer
x = 3,007,966.55
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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.