Finding the Fourth Proportional to 5,702,192.72, 8,554,565.64 and 1,915,572.32
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Solution
The fourth proportional to 5,702,192.72, 8,554,565.64 and 1,915,572.32 is: 2,873,787.32
Step by Step Solution
- Step 1: Write the proportion equation
5,702,192.72 : 8,554,565.64 = 1,915,572.32 : x - Step 2: Convert to fraction form
5,702,192.72/8,554,565.64 = 1,915,572.32/x - Step 3: Cross multiply
5,702,192.72x = 8,554,565.64 × 1,915,572.32 - Step 4: Simplify right side
5,702,192.72x = 16,386,889,149,607.09 - Step 5: Solve for x
x = 16,386,889,149,607.09/5,702,192.72 - Step 6: Final answer
x = 2,873,787.32
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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.