Finding the Fourth Proportional to 1,686,072.40, 2,529,108.60 and 975,734.80
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Solution
The fourth proportional to 1,686,072.40, 2,529,108.60 and 975,734.80 is: 1,463,602.20
Step by Step Solution
- Step 1: Write the proportion equation
1,686,072.40 : 2,529,108.60 = 975,734.80 : x - Step 2: Convert to fraction form
1,686,072.40/2,529,108.60 = 975,734.80/x - Step 3: Cross multiply
1,686,072.40x = 2,529,108.60 × 975,734.80 - Step 4: Simplify right side
1,686,072.40x = 2,467,739,273,999.28 - Step 5: Solve for x
x = 2,467,739,273,999.28/1,686,072.40 - Step 6: Final answer
x = 1,463,602.20
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1.5x scale
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.