Finding the Fourth Proportional to 5,471,886.32, 8,207,831.64 and 1,428,362.96
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Solution
The fourth proportional to 5,471,886.32, 8,207,831.64 and 1,428,362.96 is: 2,142,545.00
Step by Step Solution
- Step 1: Write the proportion equation
5,471,886.32 : 8,207,831.64 = 1,428,362.96 : x - Step 2: Convert to fraction form
5,471,886.32/8,207,831.64 = 1,428,362.96/x - Step 3: Cross multiply
5,471,886.32x = 8,207,831.64 × 1,428,362.96 - Step 4: Simplify right side
5,471,886.32x = 11,723,762,696,492.05 - Step 5: Solve for x
x = 11,723,762,696,492.05/5,471,886.32 - Step 6: Final answer
x = 2,142,545.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.