Finding the Fourth Proportional to 1,731,259.49, 2,608,706.33 and 1,422,630.05
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Solution
The fourth proportional to 1,731,259.49, 2,608,706.33 and 1,422,630.05 is: 2,143,655.55
Step by Step Solution
- Step 1: Write the proportion equation
1,731,259.49 : 2,608,706.33 = 1,422,630.05 : x - Step 2: Convert to fraction form
1,731,259.49/2,608,706.33 = 1,422,630.05/x - Step 3: Cross multiply
1,731,259.49x = 2,608,706.33 × 1,422,630.05 - Step 4: Simplify right side
1,731,259.49x = 3,711,224,001,861.40 - Step 5: Solve for x
x = 3,711,224,001,861.40/1,731,259.49 - Step 6: Final answer
x = 2,143,655.55
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.