Finding the Fourth Proportional to 6,143,617.63, 8,478,195.97 and 3,427,363.63
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Solution
The fourth proportional to 6,143,617.63, 8,478,195.97 and 3,427,363.63 is: 4,729,763.84
Step by Step Solution
- Step 1: Write the proportion equation
6,143,617.63 : 8,478,195.97 = 3,427,363.63 : x - Step 2: Convert to fraction form
6,143,617.63/8,478,195.97 = 3,427,363.63/x - Step 3: Cross multiply
6,143,617.63x = 8,478,195.97 × 3,427,363.63 - Step 4: Simplify right side
6,143,617.63x = 29,057,860,473,199.59 - Step 5: Solve for x
x = 29,057,860,473,199.59/6,143,617.63 - Step 6: Final answer
x = 4,729,763.84
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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.