Finding the Fourth Proportional to 3,065,349.18, 4,230,512.64 and 1,688,833.56
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Solution
The fourth proportional to 3,065,349.18, 4,230,512.64 and 1,688,833.56 is: 2,330,772.55
Step by Step Solution
- Step 1: Write the proportion equation
3,065,349.18 : 4,230,512.64 = 1,688,833.56 : x - Step 2: Convert to fraction form
3,065,349.18/4,230,512.64 = 1,688,833.56/x - Step 3: Cross multiply
3,065,349.18x = 4,230,512.64 × 1,688,833.56 - Step 4: Simplify right side
3,065,349.18x = 7,144,631,722,436.20 - Step 5: Solve for x
x = 7,144,631,722,436.20/3,065,349.18 - Step 6: Final answer
x = 2,330,772.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.