Finding the Fourth Proportional to 3,128,330.18, 4,690,780.84 and 968,755.76
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Solution
The fourth proportional to 3,128,330.18, 4,690,780.84 and 968,755.76 is: 1,452,602.73
Step by Step Solution
- Step 1: Write the proportion equation
3,128,330.18 : 4,690,780.84 = 968,755.76 : x - Step 2: Convert to fraction form
3,128,330.18/4,690,780.84 = 968,755.76/x - Step 3: Cross multiply
3,128,330.18x = 4,690,780.84 × 968,755.76 - Step 4: Simplify right side
3,128,330.18x = 4,544,220,952,803.86 - Step 5: Solve for x
x = 4,544,220,952,803.86/3,128,330.18 - Step 6: Final answer
x = 1,452,602.73
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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.