Finding the Fourth Proportional to 4,042,048.98, 5,576,702.76 and 2,880,678.09
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Solution
The fourth proportional to 4,042,048.98, 5,576,702.76 and 2,880,678.09 is: 3,974,391.59
Step by Step Solution
- Step 1: Write the proportion equation
4,042,048.98 : 5,576,702.76 = 2,880,678.09 : x - Step 2: Convert to fraction form
4,042,048.98/5,576,702.76 = 2,880,678.09/x - Step 3: Cross multiply
4,042,048.98x = 5,576,702.76 × 2,880,678.09 - Step 4: Simplify right side
4,042,048.98x = 16,064,685,455,174.53 - Step 5: Solve for x
x = 16,064,685,455,174.53/4,042,048.98 - Step 6: Final answer
x = 3,974,391.59
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1.5x scale
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.