Finding the Fourth Proportional to 5,732,940.74, 7,911,219.29 and 3,119,455.09
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Solution
The fourth proportional to 5,732,940.74, 7,911,219.29 and 3,119,455.09 is: 4,304,718.01
Step by Step Solution
- Step 1: Write the proportion equation
5,732,940.74 : 7,911,219.29 = 3,119,455.09 : x - Step 2: Convert to fraction form
5,732,940.74/7,911,219.29 = 3,119,455.09/x - Step 3: Cross multiply
5,732,940.74x = 7,911,219.29 × 3,119,455.09 - Step 4: Simplify right side
5,732,940.74x = 24,678,693,270,317.28 - Step 5: Solve for x
x = 24,678,693,270,317.28/5,732,940.74 - Step 6: Final answer
x = 4,304,718.01
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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.