Finding the Fourth Proportional to 7,079,281.84, 10,615,970.22 and 2,220,336.46
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Solution
The fourth proportional to 7,079,281.84, 10,615,970.22 and 2,220,336.46 is: 3,329,578.66
Step by Step Solution
- Step 1: Write the proportion equation
7,079,281.84 : 10,615,970.22 = 2,220,336.46 : x - Step 2: Convert to fraction form
7,079,281.84/10,615,970.22 = 2,220,336.46/x - Step 3: Cross multiply
7,079,281.84x = 10,615,970.22 × 2,220,336.46 - Step 4: Simplify right side
7,079,281.84x = 23,571,025,737,740.22 - Step 5: Solve for x
x = 23,571,025,737,740.22/7,079,281.84 - Step 6: Final answer
x = 3,329,578.66
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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.