Finding the Fourth Proportional to 2,398,409.42, 3,309,813.68 and 1,310,697.68
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Solution
The fourth proportional to 2,398,409.42, 3,309,813.68 and 1,310,697.68 is: 1,808,767.54
Step by Step Solution
- Step 1: Write the proportion equation
2,398,409.42 : 3,309,813.68 = 1,310,697.68 : x - Step 2: Convert to fraction form
2,398,409.42/3,309,813.68 = 1,310,697.68/x - Step 3: Cross multiply
2,398,409.42x = 3,309,813.68 × 1,310,697.68 - Step 4: Simplify right side
2,398,409.42x = 4,338,165,096,780.24 - Step 5: Solve for x
x = 4,338,165,096,780.24/2,398,409.42 - Step 6: Final answer
x = 1,808,767.54
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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.