Finding the Fourth Proportional to 6,857,701.92, 10,285,831.20 and 2,814,617.28
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Solution
The fourth proportional to 6,857,701.92, 10,285,831.20 and 2,814,617.28 is: 4,221,629.72
Step by Step Solution
- Step 1: Write the proportion equation
6,857,701.92 : 10,285,831.20 = 2,814,617.28 : x - Step 2: Convert to fraction form
6,857,701.92/10,285,831.20 = 2,814,617.28/x - Step 3: Cross multiply
6,857,701.92x = 10,285,831.20 × 2,814,617.28 - Step 4: Simplify right side
6,857,701.92x = 28,950,678,234,683.13 - Step 5: Solve for x
x = 28,950,678,234,683.13/6,857,701.92 - Step 6: Final answer
x = 4,221,629.72
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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.