Finding the Fourth Proportional to 4,176,719.60, 6,265,079.40 and 2,901,261.20
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Solution
The fourth proportional to 4,176,719.60, 6,265,079.40 and 2,901,261.20 is: 4,351,891.80
Step by Step Solution
- Step 1: Write the proportion equation
4,176,719.60 : 6,265,079.40 = 2,901,261.20 : x - Step 2: Convert to fraction form
4,176,719.60/6,265,079.40 = 2,901,261.20/x - Step 3: Cross multiply
4,176,719.60x = 6,265,079.40 × 2,901,261.20 - Step 4: Simplify right side
4,176,719.60x = 18,176,631,778,139.28 - Step 5: Solve for x
x = 18,176,631,778,139.28/4,176,719.60 - Step 6: Final answer
x = 4,351,891.80
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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.