Finding the Fourth Proportional to 6,361,592.26, 8,778,341.90 and 3,782,774.74
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Solution
The fourth proportional to 6,361,592.26, 8,778,341.90 and 3,782,774.74 is: 5,219,839.41
Step by Step Solution
- Step 1: Write the proportion equation
6,361,592.26 : 8,778,341.90 = 3,782,774.74 : x - Step 2: Convert to fraction form
6,361,592.26/8,778,341.90 = 3,782,774.74/x - Step 3: Cross multiply
6,361,592.26x = 8,778,341.90 × 3,782,774.74 - Step 4: Simplify right side
6,361,592.26x = 33,206,489,998,403.61 - Step 5: Solve for x
x = 33,206,489,998,403.61/6,361,592.26 - Step 6: Final answer
x = 5,219,839.41
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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.