Finding the Fourth Proportional to 2,643,998.40, 3,966,580.80 and 846,964.80
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Solution
The fourth proportional to 2,643,998.40, 3,966,580.80 and 846,964.80 is: 1,270,634.02
Step by Step Solution
- Step 1: Write the proportion equation
2,643,998.40 : 3,966,580.80 = 846,964.80 : x - Step 2: Convert to fraction form
2,643,998.40/3,966,580.80 = 846,964.80/x - Step 3: Cross multiply
2,643,998.40x = 3,966,580.80 × 846,964.80 - Step 4: Simplify right side
2,643,998.40x = 3,359,554,313,955.84 - Step 5: Solve for x
x = 3,359,554,313,955.84/2,643,998.40 - Step 6: Final answer
x = 1,270,634.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.