Finding the Fourth Proportional to 4,387,511.20, 6,576,351.60 and 2,495,159.20
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Solution
The fourth proportional to 4,387,511.20, 6,576,351.60 and 2,495,159.20 is: 3,739,943.55
Step by Step Solution
- Step 1: Write the proportion equation
4,387,511.20 : 6,576,351.60 = 2,495,159.20 : x - Step 2: Convert to fraction form
4,387,511.20/6,576,351.60 = 2,495,159.20/x - Step 3: Cross multiply
4,387,511.20x = 6,576,351.60 × 2,495,159.20 - Step 4: Simplify right side
4,387,511.20x = 16,409,044,197,174.72 - Step 5: Solve for x
x = 16,409,044,197,174.72/4,387,511.20 - Step 6: Final answer
x = 3,739,943.55
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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.