Finding the Fourth Proportional to 6,782,220.12, 9,359,569.99 and 3,684,804.83
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Solution
The fourth proportional to 6,782,220.12, 9,359,569.99 and 3,684,804.83 is: 5,085,088.38
Step by Step Solution
- Step 1: Write the proportion equation
6,782,220.12 : 9,359,569.99 = 3,684,804.83 : x - Step 2: Convert to fraction form
6,782,220.12/9,359,569.99 = 3,684,804.83/x - Step 3: Cross multiply
6,782,220.12x = 9,359,569.99 × 3,684,804.83 - Step 4: Simplify right side
6,782,220.12x = 34,488,188,705,875.05 - Step 5: Solve for x
x = 34,488,188,705,875.05/6,782,220.12 - Step 6: Final answer
x = 5,085,088.38
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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.