Finding the Fourth Proportional to 2,346,393.73, 3,236,350.62 and 2,153,423.44
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Solution
The fourth proportional to 2,346,393.73, 3,236,350.62 and 2,153,423.44 is: 2,970,189.19
Step by Step Solution
- Step 1: Write the proportion equation
2,346,393.73 : 3,236,350.62 = 2,153,423.44 : x - Step 2: Convert to fraction form
2,346,393.73/3,236,350.62 = 2,153,423.44/x - Step 3: Cross multiply
2,346,393.73x = 3,236,350.62 × 2,153,423.44 - Step 4: Simplify right side
2,346,393.73x = 6,969,233,285,166.53 - Step 5: Solve for x
x = 6,969,233,285,166.53/2,346,393.73 - Step 6: Final answer
x = 2,970,189.19
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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.