Finding the Fourth Proportional to 4,855,674.40, 6,700,831.04 and 2,680,218.11
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Solution
The fourth proportional to 4,855,674.40, 6,700,831.04 and 2,680,218.11 is: 3,698,701.20
Step by Step Solution
- Step 1: Write the proportion equation
4,855,674.40 : 6,700,831.04 = 2,680,218.11 : x - Step 2: Convert to fraction form
4,855,674.40/6,700,831.04 = 2,680,218.11/x - Step 3: Cross multiply
4,855,674.40x = 6,700,831.04 × 2,680,218.11 - Step 4: Simplify right side
4,855,674.40x = 17,959,688,728,910.76 - Step 5: Solve for x
x = 17,959,688,728,910.76/4,855,674.40 - Step 6: Final answer
x = 3,698,701.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.