Finding the Fourth Proportional to 6,326,378.62, 8,730,400.35 and 3,425,769.48
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Solution
The fourth proportional to 6,326,378.62, 8,730,400.35 and 3,425,769.48 is: 4,727,560.72
Step by Step Solution
- Step 1: Write the proportion equation
6,326,378.62 : 8,730,400.35 = 3,425,769.48 : x - Step 2: Convert to fraction form
6,326,378.62/8,730,400.35 = 3,425,769.48/x - Step 3: Cross multiply
6,326,378.62x = 8,730,400.35 × 3,425,769.48 - Step 4: Simplify right side
6,326,378.62x = 29,908,339,067,211.32 - Step 5: Solve for x
x = 29,908,339,067,211.32/6,326,378.62 - Step 6: Final answer
x = 4,727,560.72
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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.