Finding the Fourth Proportional to 2,772,055.40, 4,157,694.30 and 878,988.20
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Solution
The fourth proportional to 2,772,055.40, 4,157,694.30 and 878,988.20 is: 1,318,359.02
Step by Step Solution
- Step 1: Write the proportion equation
2,772,055.40 : 4,157,694.30 = 878,988.20 : x - Step 2: Convert to fraction form
2,772,055.40/4,157,694.30 = 878,988.20/x - Step 3: Cross multiply
2,772,055.40x = 4,157,694.30 × 878,988.20 - Step 4: Simplify right side
2,772,055.40x = 3,654,564,228,907.26 - Step 5: Solve for x
x = 3,654,564,228,907.26/2,772,055.40 - Step 6: Final answer
x = 1,318,359.02
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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.