Finding the Fourth Proportional to 6,315,376.04, 8,715,225.11 and 3,414,766.15
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Solution
The fourth proportional to 6,315,376.04, 8,715,225.11 and 3,414,766.15 is: 4,712,380.63
Step by Step Solution
- Step 1: Write the proportion equation
6,315,376.04 : 8,715,225.11 = 3,414,766.15 : x - Step 2: Convert to fraction form
6,315,376.04/8,715,225.11 = 3,414,766.15/x - Step 3: Cross multiply
6,315,376.04x = 8,715,225.11 × 3,414,766.15 - Step 4: Simplify right side
6,315,376.04x = 29,760,455,695,258.02 - Step 5: Solve for x
x = 29,760,455,695,258.02/6,315,376.04 - Step 6: Final answer
x = 4,712,380.63
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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.