Finding the Fourth Proportional to 5,531,988.12, 8,293,249.17 and 2,122,721.31
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Solution
The fourth proportional to 5,531,988.12, 8,293,249.17 and 2,122,721.31 is: 3,182,265.83
Step by Step Solution
- Step 1: Write the proportion equation
5,531,988.12 : 8,293,249.17 = 2,122,721.31 : x - Step 2: Convert to fraction form
5,531,988.12/8,293,249.17 = 2,122,721.31/x - Step 3: Cross multiply
5,531,988.12x = 8,293,249.17 × 2,122,721.31 - Step 4: Simplify right side
5,531,988.12x = 17,604,256,742,298.81 - Step 5: Solve for x
x = 17,604,256,742,298.81/5,531,988.12 - Step 6: Final answer
x = 3,182,265.83
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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.