Finding the Fourth Proportional to 4,785,287.19, 6,603,665.97 and 2,720,302.85
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Solution
The fourth proportional to 4,785,287.19, 6,603,665.97 and 2,720,302.85 is: 3,754,000.69
Step by Step Solution
- Step 1: Write the proportion equation
4,785,287.19 : 6,603,665.97 = 2,720,302.85 : x - Step 2: Convert to fraction form
4,785,287.19/6,603,665.97 = 2,720,302.85/x - Step 3: Cross multiply
4,785,287.19x = 6,603,665.97 × 2,720,302.85 - Step 4: Simplify right side
4,785,287.19x = 17,963,971,385,349.32 - Step 5: Solve for x
x = 17,963,971,385,349.32/4,785,287.19 - Step 6: Final answer
x = 3,754,000.69
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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.