Finding the Fourth Proportional to 6,136,470.76, 8,468,338.98 and 3,420,158.44
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Solution
The fourth proportional to 6,136,470.76, 8,468,338.98 and 3,420,158.44 is: 4,719,823.85
Step by Step Solution
- Step 1: Write the proportion equation
6,136,470.76 : 8,468,338.98 = 3,420,158.44 : x - Step 2: Convert to fraction form
6,136,470.76/8,468,338.98 = 3,420,158.44/x - Step 3: Cross multiply
6,136,470.76x = 8,468,338.98 × 3,420,158.44 - Step 4: Simplify right side
6,136,470.76x = 28,963,061,035,227.99 - Step 5: Solve for x
x = 28,963,061,035,227.99/6,136,470.76 - Step 6: Final answer
x = 4,719,823.85
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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.