Finding the Fourth Proportional to 6,174,928.86, 8,521,274.84 and 3,421,592.26
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Solution
The fourth proportional to 6,174,928.86, 8,521,274.84 and 3,421,592.26 is: 4,721,726.95
Step by Step Solution
- Step 1: Write the proportion equation
6,174,928.86 : 8,521,274.84 = 3,421,592.26 : x - Step 2: Convert to fraction form
6,174,928.86/8,521,274.84 = 3,421,592.26/x - Step 3: Cross multiply
6,174,928.86x = 8,521,274.84 × 3,421,592.26 - Step 4: Simplify right side
6,174,928.86x = 29,156,328,037,876.73 - Step 5: Solve for x
x = 29,156,328,037,876.73/6,174,928.86 - Step 6: Final answer
x = 4,721,726.95
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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.