Finding the Fourth Proportional to 6,248,343.37, 8,623,511.57 and 3,495,183.74
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Solution
The fourth proportional to 6,248,343.37, 8,623,511.57 and 3,495,183.74 is: 4,823,799.79
Step by Step Solution
- Step 1: Write the proportion equation
6,248,343.37 : 8,623,511.57 = 3,495,183.74 : x - Step 2: Convert to fraction form
6,248,343.37/8,623,511.57 = 3,495,183.74/x - Step 3: Cross multiply
6,248,343.37x = 8,623,511.57 × 3,495,183.74 - Step 4: Simplify right side
6,248,343.37x = 30,140,757,421,165.88 - Step 5: Solve for x
x = 30,140,757,421,165.88/6,248,343.37 - Step 6: Final answer
x = 4,823,799.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.