Finding the Fourth Proportional to 2,659,483.68, 3,989,225.34 and 664,939.68
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Solution
The fourth proportional to 2,659,483.68, 3,989,225.34 and 664,939.68 is: 997,409.47
Step by Step Solution
- Step 1: Write the proportion equation
2,659,483.68 : 3,989,225.34 = 664,939.68 : x - Step 2: Convert to fraction form
2,659,483.68/3,989,225.34 = 664,939.68/x - Step 3: Cross multiply
2,659,483.68x = 3,989,225.34 × 664,939.68 - Step 4: Simplify right side
2,659,483.68x = 2,652,594,221,027.49 - Step 5: Solve for x
x = 2,652,594,221,027.49/2,659,483.68 - Step 6: Final answer
x = 997,409.47
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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.