Finding the Fourth Proportional to 1,697,285.12, 2,342,313.60 and 933,396.80
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Solution
The fourth proportional to 1,697,285.12, 2,342,313.60 and 933,396.80 is: 1,288,120.65
Step by Step Solution
- Step 1: Write the proportion equation
1,697,285.12 : 2,342,313.60 = 933,396.80 : x - Step 2: Convert to fraction form
1,697,285.12/2,342,313.60 = 933,396.80/x - Step 3: Cross multiply
1,697,285.12x = 2,342,313.60 × 933,396.80 - Step 4: Simplify right side
1,697,285.12x = 2,186,308,018,836.48 - Step 5: Solve for x
x = 2,186,308,018,836.48/1,697,285.12 - Step 6: Final answer
x = 1,288,120.65
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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.