Finding the Fourth Proportional to 4,286,482.68, 6,430,844.56 and 2,487,636.92
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Solution
The fourth proportional to 4,286,482.68, 6,430,844.56 and 2,487,636.92 is: 3,732,105.68
Step by Step Solution
- Step 1: Write the proportion equation
4,286,482.68 : 6,430,844.56 = 2,487,636.92 : x - Step 2: Convert to fraction form
4,286,482.68/6,430,844.56 = 2,487,636.92/x - Step 3: Cross multiply
4,286,482.68x = 6,430,844.56 × 2,487,636.92 - Step 4: Simplify right side
4,286,482.68x = 15,997,606,354,237.15 - Step 5: Solve for x
x = 15,997,606,354,237.15/4,286,482.68 - Step 6: Final answer
x = 3,732,105.68
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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.