Finding the Fourth Proportional to 6,113,125.80, 9,169,688.70 and 3,278,773.80
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Solution
The fourth proportional to 6,113,125.80, 9,169,688.70 and 3,278,773.80 is: 4,918,160.70
Step by Step Solution
- Step 1: Write the proportion equation
6,113,125.80 : 9,169,688.70 = 3,278,773.80 : x - Step 2: Convert to fraction form
6,113,125.80/9,169,688.70 = 3,278,773.80/x - Step 3: Cross multiply
6,113,125.80x = 9,169,688.70 × 3,278,773.80 - Step 4: Simplify right side
6,113,125.80x = 30,065,335,063,716.05 - Step 5: Solve for x
x = 30,065,335,063,716.05/6,113,125.80 - Step 6: Final answer
x = 4,918,160.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.