Finding the Fourth Proportional to 5,570,839.18, 8,356,258.78 and 3,677,137.76
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Solution
The fourth proportional to 5,570,839.18, 8,356,258.78 and 3,677,137.76 is: 5,515,706.65
Step by Step Solution
- Step 1: Write the proportion equation
5,570,839.18 : 8,356,258.78 = 3,677,137.76 : x - Step 2: Convert to fraction form
5,570,839.18/8,356,258.78 = 3,677,137.76/x - Step 3: Cross multiply
5,570,839.18x = 8,356,258.78 × 3,677,137.76 - Step 4: Simplify right side
5,570,839.18x = 30,727,114,692,269.53 - Step 5: Solve for x
x = 30,727,114,692,269.53/5,570,839.18 - Step 6: Final answer
x = 5,515,706.65
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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.