Finding the Fourth Proportional to 5,600,886.24, 7,728,584.15 and 3,153,434.36
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Solution
The fourth proportional to 5,600,886.24, 7,728,584.15 and 3,153,434.36 is: 4,351,379.71
Step by Step Solution
- Step 1: Write the proportion equation
5,600,886.24 : 7,728,584.15 = 3,153,434.36 : x - Step 2: Convert to fraction form
5,600,886.24/7,728,584.15 = 3,153,434.36/x - Step 3: Cross multiply
5,600,886.24x = 7,728,584.15 × 3,153,434.36 - Step 4: Simplify right side
5,600,886.24x = 24,371,582,782,002.06 - Step 5: Solve for x
x = 24,371,582,782,002.06/5,600,886.24 - Step 6: Final answer
x = 4,351,379.71
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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.