Finding the Fourth Proportional to 7,927,071.62, 11,886,280.25 and 2,386,799.19
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Solution
The fourth proportional to 7,927,071.62, 11,886,280.25 and 2,386,799.19 is: 3,578,895.89
Step by Step Solution
- Step 1: Write the proportion equation
7,927,071.62 : 11,886,280.25 = 2,386,799.19 : x - Step 2: Convert to fraction form
7,927,071.62/11,886,280.25 = 2,386,799.19/x - Step 3: Cross multiply
7,927,071.62x = 11,886,280.25 × 2,386,799.19 - Step 4: Simplify right side
7,927,071.62x = 28,370,164,060,879 - Step 5: Solve for x
x = 28,370,164,060,879/7,927,071.62 - Step 6: Final answer
x = 3,578,895.89
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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.