Finding the Fourth Proportional to 4,696,312.31, 7,044,198.63 and 2,789,336.48
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Solution
The fourth proportional to 4,696,312.31, 7,044,198.63 and 2,789,336.48 is: 4,183,844.45
Step by Step Solution
- Step 1: Write the proportion equation
4,696,312.31 : 7,044,198.63 = 2,789,336.48 : x - Step 2: Convert to fraction form
4,696,312.31/7,044,198.63 = 2,789,336.48/x - Step 3: Cross multiply
4,696,312.31x = 7,044,198.63 × 2,789,336.48 - Step 4: Simplify right side
4,696,312.31x = 19,648,640,189,077.63 - Step 5: Solve for x
x = 19,648,640,189,077.63/4,696,312.31 - Step 6: Final answer
x = 4,183,844.45
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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.