Finding the Fourth Proportional to 6,778,395.38, 9,354,174.08 and 3,722,609.63
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Solution
The fourth proportional to 6,778,395.38, 9,354,174.08 and 3,722,609.63 is: 5,137,194.94
Step by Step Solution
- Step 1: Write the proportion equation
6,778,395.38 : 9,354,174.08 = 3,722,609.63 : x - Step 2: Convert to fraction form
6,778,395.38/9,354,174.08 = 3,722,609.63/x - Step 3: Cross multiply
6,778,395.38x = 9,354,174.08 × 3,722,609.63 - Step 4: Simplify right side
6,778,395.38x = 34,821,938,445,520.47 - Step 5: Solve for x
x = 34,821,938,445,520.47/6,778,395.38 - Step 6: Final answer
x = 5,137,194.94
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1.5x scale
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.