Finding the Fourth Proportional to 5,723,589.30, 7,896,830.85 and 3,430,913.46
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Solution
The fourth proportional to 5,723,589.30, 7,896,830.85 and 3,430,913.46 is: 4,733,628.12
Step by Step Solution
- Step 1: Write the proportion equation
5,723,589.30 : 7,896,830.85 = 3,430,913.46 : x - Step 2: Convert to fraction form
5,723,589.30/7,896,830.85 = 3,430,913.46/x - Step 3: Cross multiply
5,723,589.30x = 7,896,830.85 × 3,430,913.46 - Step 4: Simplify right side
5,723,589.30x = 27,093,343,254,608.24 - Step 5: Solve for x
x = 27,093,343,254,608.24/5,723,589.30 - Step 6: Final answer
x = 4,733,628.12
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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.