Finding the Fourth Proportional to 5,199,422.35, 7,172,784.99 and 3,364,473.66
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Solution
The fourth proportional to 5,199,422.35, 7,172,784.99 and 3,364,473.66 is: 4,641,409.09
Step by Step Solution
- Step 1: Write the proportion equation
5,199,422.35 : 7,172,784.99 = 3,364,473.66 : x - Step 2: Convert to fraction form
5,199,422.35/7,172,784.99 = 3,364,473.66/x - Step 3: Cross multiply
5,199,422.35x = 7,172,784.99 × 3,364,473.66 - Step 4: Simplify right side
5,199,422.35x = 24,132,646,167,698.36 - Step 5: Solve for x
x = 24,132,646,167,698.36/5,199,422.35 - Step 6: Final answer
x = 4,641,409.09
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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.