Finding the Fourth Proportional to 6,864,230.22, 9,472,639.14 and 3,808,437.18
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Solution
The fourth proportional to 6,864,230.22, 9,472,639.14 and 3,808,437.18 is: 5,255,644.11
Step by Step Solution
- Step 1: Write the proportion equation
6,864,230.22 : 9,472,639.14 = 3,808,437.18 : x - Step 2: Convert to fraction form
6,864,230.22/9,472,639.14 = 3,808,437.18/x - Step 3: Cross multiply
6,864,230.22x = 9,472,639.14 × 3,808,437.18 - Step 4: Simplify right side
6,864,230.22x = 36,075,951,093,499.23 - Step 5: Solve for x
x = 36,075,951,093,499.23/6,864,230.22 - Step 6: Final answer
x = 5,255,644.11
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1.5x scale
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.