Finding the Fourth Proportional to 2,037,309.44, 2,811,654.40 and 1,313,663.68
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Solution
The fourth proportional to 2,037,309.44, 2,811,654.40 and 1,313,663.68 is: 1,812,963.80
Step by Step Solution
- Step 1: Write the proportion equation
2,037,309.44 : 2,811,654.40 = 1,313,663.68 : x - Step 2: Convert to fraction form
2,037,309.44/2,811,654.40 = 1,313,663.68/x - Step 3: Cross multiply
2,037,309.44x = 2,811,654.40 × 1,313,663.68 - Step 4: Simplify right side
2,037,309.44x = 3,693,568,265,992.19 - Step 5: Solve for x
x = 3,693,568,265,992.19/2,037,309.44 - Step 6: Final answer
x = 1,812,963.80
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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.