Finding the Fourth Proportional to 2,972,845.15, 4,459,243.12 and 1,766,780.26
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Solution
The fourth proportional to 2,972,845.15, 4,459,243.12 and 1,766,780.26 is: 2,650,155.76
Step by Step Solution
- Step 1: Write the proportion equation
2,972,845.15 : 4,459,243.12 = 1,766,780.26 : x - Step 2: Convert to fraction form
2,972,845.15/4,459,243.12 = 1,766,780.26/x - Step 3: Cross multiply
2,972,845.15x = 4,459,243.12 × 1,766,780.26 - Step 4: Simplify right side
2,972,845.15x = 7,878,502,703,391.75 - Step 5: Solve for x
x = 7,878,502,703,391.75/2,972,845.15 - Step 6: Final answer
x = 2,650,155.76
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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.