Finding the Fourth Proportional to 4,673,278.68, 6,449,320.62 and 2,636,087.64
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Solution
The fourth proportional to 4,673,278.68, 6,449,320.62 and 2,636,087.64 is: 3,637,911.53
Step by Step Solution
- Step 1: Write the proportion equation
4,673,278.68 : 6,449,320.62 = 2,636,087.64 : x - Step 2: Convert to fraction form
4,673,278.68/6,449,320.62 = 2,636,087.64/x - Step 3: Cross multiply
4,673,278.68x = 6,449,320.62 × 2,636,087.64 - Step 4: Simplify right side
4,673,278.68x = 17,000,974,372,779.14 - Step 5: Solve for x
x = 17,000,974,372,779.14/4,673,278.68 - Step 6: Final answer
x = 3,637,911.53
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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.