Finding the Fourth Proportional to 4,880,615.42, 6,735,652.80 and 2,705,841.02
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Solution
The fourth proportional to 4,880,615.42, 6,735,652.80 and 2,705,841.02 is: 3,734,284.32
Step by Step Solution
- Step 1: Write the proportion equation
4,880,615.42 : 6,735,652.80 = 2,705,841.02 : x - Step 2: Convert to fraction form
4,880,615.42/6,735,652.80 = 2,705,841.02/x - Step 3: Cross multiply
4,880,615.42x = 6,735,652.80 × 2,705,841.02 - Step 4: Simplify right side
4,880,615.42x = 18,225,605,642,717.86 - Step 5: Solve for x
x = 18,225,605,642,717.86/4,880,615.42 - Step 6: Final answer
x = 3,734,284.32
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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.