Finding the Fourth Proportional to 5,528,927.70, 8,293,391.55 and 3,137,443.20
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Solution
The fourth proportional to 5,528,927.70, 8,293,391.55 and 3,137,443.20 is: 4,706,164.80
Step by Step Solution
- Step 1: Write the proportion equation
5,528,927.70 : 8,293,391.55 = 3,137,443.20 : x - Step 2: Convert to fraction form
5,528,927.70/8,293,391.55 = 3,137,443.20/x - Step 3: Cross multiply
5,528,927.70x = 8,293,391.55 × 3,137,443.20 - Step 4: Simplify right side
5,528,927.70x = 26,020,044,923,484.96 - Step 5: Solve for x
x = 26,020,044,923,484.96/5,528,927.70 - Step 6: Final answer
x = 4,706,164.80
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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.