Finding the Fourth Proportional to 4,272,109.78, 5,895,530.24 and 2,311,988.08
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Solution
The fourth proportional to 4,272,109.78, 5,895,530.24 and 2,311,988.08 is: 3,190,553.69
Step by Step Solution
- Step 1: Write the proportion equation
4,272,109.78 : 5,895,530.24 = 2,311,988.08 : x - Step 2: Convert to fraction form
4,272,109.78/5,895,530.24 = 2,311,988.08/x - Step 3: Cross multiply
4,272,109.78x = 5,895,530.24 × 2,311,988.08 - Step 4: Simplify right side
4,272,109.78x = 13,630,395,617,925.03 - Step 5: Solve for x
x = 13,630,395,617,925.03/4,272,109.78 - Step 6: Final answer
x = 3,190,553.69
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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.