Finding the Fourth Proportional to 5,183,251.40, 7,774,877.10 and 2,487,117.80
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Solution
The fourth proportional to 5,183,251.40, 7,774,877.10 and 2,487,117.80 is: 3,730,676.70
Step by Step Solution
- Step 1: Write the proportion equation
5,183,251.40 : 7,774,877.10 = 2,487,117.80 : x - Step 2: Convert to fraction form
5,183,251.40/7,774,877.10 = 2,487,117.80/x - Step 3: Cross multiply
5,183,251.40x = 7,774,877.10 × 2,487,117.80 - Step 4: Simplify right side
5,183,251.40x = 19,337,035,228,222.38 - Step 5: Solve for x
x = 19,337,035,228,222.38/5,183,251.40 - Step 6: Final answer
x = 3,730,676.70
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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.