Finding the Fourth Proportional to 4,268,016.70, 6,386,473.05 and 3,148,272.70
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Solution
The fourth proportional to 4,268,016.70, 6,386,473.05 and 3,148,272.70 is: 4,710,937.23
Step by Step Solution
- Step 1: Write the proportion equation
4,268,016.70 : 6,386,473.05 = 3,148,272.70 : x - Step 2: Convert to fraction form
4,268,016.70/6,386,473.05 = 3,148,272.70/x - Step 3: Cross multiply
4,268,016.70x = 6,386,473.05 × 3,148,272.70 - Step 4: Simplify right side
4,268,016.70x = 20,106,358,752,600.73 - Step 5: Solve for x
x = 20,106,358,752,600.73/4,268,016.70 - Step 6: Final answer
x = 4,710,937.23
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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.