Finding the Fourth Proportional to 3,207,776.44, 4,426,731.39 and 1,757,526.79
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Solution
The fourth proportional to 3,207,776.44, 4,426,731.39 and 1,757,526.79 is: 2,425,386.92
Step by Step Solution
- Step 1: Write the proportion equation
3,207,776.44 : 4,426,731.39 = 1,757,526.79 : x - Step 2: Convert to fraction form
3,207,776.44/4,426,731.39 = 1,757,526.79/x - Step 3: Cross multiply
3,207,776.44x = 4,426,731.39 × 1,757,526.79 - Step 4: Simplify right side
3,207,776.44x = 7,780,099,010,058.94 - Step 5: Solve for x
x = 7,780,099,010,058.94/3,207,776.44 - Step 6: Final answer
x = 2,425,386.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.