Finding the Fourth Proportional to 2,077,351.70, 3,116,319.15 and 657,259.70
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Solution
The fourth proportional to 2,077,351.70, 3,116,319.15 and 657,259.70 is: 985,981.81
Step by Step Solution
- Step 1: Write the proportion equation
2,077,351.70 : 3,116,319.15 = 657,259.70 : x - Step 2: Convert to fraction form
2,077,351.70/3,116,319.15 = 657,259.70/x - Step 3: Cross multiply
2,077,351.70x = 3,116,319.15 × 657,259.70 - Step 4: Simplify right side
2,077,351.70x = 2,048,230,989,633.26 - Step 5: Solve for x
x = 2,048,230,989,633.26/2,077,351.70 - Step 6: Final answer
x = 985,981.81
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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.