Finding the Fourth Proportional to 2,898,313.68, 3,999,487.86 and 1,609,153.74
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Solution
The fourth proportional to 2,898,313.68, 3,999,487.86 and 1,609,153.74 is: 2,220,529.44
Step by Step Solution
- Step 1: Write the proportion equation
2,898,313.68 : 3,999,487.86 = 1,609,153.74 : x - Step 2: Convert to fraction form
2,898,313.68/3,999,487.86 = 1,609,153.74/x - Step 3: Cross multiply
2,898,313.68x = 3,999,487.86 × 1,609,153.74 - Step 4: Simplify right side
2,898,313.68x = 6,435,790,848,003.60 - Step 5: Solve for x
x = 6,435,790,848,003.60/2,898,313.68 - Step 6: Final answer
x = 2,220,529.44
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1.5x scale
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.