Finding the Fourth Proportional to 2,863,548.09, 3,951,462.65 and 1,685,961.09
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Solution
The fourth proportional to 2,863,548.09, 3,951,462.65 and 1,685,961.09 is: 2,326,488.70
Step by Step Solution
- Step 1: Write the proportion equation
2,863,548.09 : 3,951,462.65 = 1,685,961.09 : x - Step 2: Convert to fraction form
2,863,548.09/3,951,462.65 = 1,685,961.09/x - Step 3: Cross multiply
2,863,548.09x = 3,951,462.65 × 1,685,961.09 - Step 4: Simplify right side
2,863,548.09x = 6,662,012,268,058.48 - Step 5: Solve for x
x = 6,662,012,268,058.48/2,863,548.09 - Step 6: Final answer
x = 2,326,488.70
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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.