Finding the Fourth Proportional to 6,413,886.57, 8,848,701.12 and 3,660,726.95
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Solution
The fourth proportional to 6,413,886.57, 8,848,701.12 and 3,660,726.95 is: 5,050,397.80
Step by Step Solution
- Step 1: Write the proportion equation
6,413,886.57 : 8,848,701.12 = 3,660,726.95 : x - Step 2: Convert to fraction form
6,413,886.57/8,848,701.12 = 3,660,726.95/x - Step 3: Cross multiply
6,413,886.57x = 8,848,701.12 × 3,660,726.95 - Step 4: Simplify right side
6,413,886.57x = 32,392,678,618,235.68 - Step 5: Solve for x
x = 32,392,678,618,235.68/6,413,886.57 - Step 6: Final answer
x = 5,050,397.80
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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.