Finding the Fourth Proportional to 5,119,934.98, 7,065,349.74 and 2,796,790.18
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Solution
The fourth proportional to 5,119,934.98, 7,065,349.74 and 2,796,790.18 is: 3,859,482.76
Step by Step Solution
- Step 1: Write the proportion equation
5,119,934.98 : 7,065,349.74 = 2,796,790.18 : x - Step 2: Convert to fraction form
5,119,934.98/7,065,349.74 = 2,796,790.18/x - Step 3: Cross multiply
5,119,934.98x = 7,065,349.74 × 2,796,790.18 - Step 4: Simplify right side
5,119,934.98x = 19,760,300,771,097.55 - Step 5: Solve for x
x = 19,760,300,771,097.55/5,119,934.98 - Step 6: Final answer
x = 3,859,482.76
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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.