Finding the Fourth Proportional to 4,640,576.64, 6,403,668.48 and 2,575,697.28
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Solution
The fourth proportional to 4,640,576.64, 6,403,668.48 and 2,575,697.28 is: 3,554,280.59
Step by Step Solution
- Step 1: Write the proportion equation
4,640,576.64 : 6,403,668.48 = 2,575,697.28 : x - Step 2: Convert to fraction form
4,640,576.64/6,403,668.48 = 2,575,697.28/x - Step 3: Cross multiply
4,640,576.64x = 6,403,668.48 × 2,575,697.28 - Step 4: Simplify right side
4,640,576.64x = 16,493,911,485,957.73 - Step 5: Solve for x
x = 16,493,911,485,957.73/4,640,576.64 - Step 6: Final answer
x = 3,554,280.59
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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.