Finding the Fourth Proportional to 1,649,206.20, 2,473,463.70 and 808,361.40
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Solution
The fourth proportional to 1,649,206.20, 2,473,463.70 and 808,361.40 is: 1,212,372.70
Step by Step Solution
- Step 1: Write the proportion equation
1,649,206.20 : 2,473,463.70 = 808,361.40 : x - Step 2: Convert to fraction form
1,649,206.20/2,473,463.70 = 808,361.40/x - Step 3: Cross multiply
1,649,206.20x = 2,473,463.70 × 808,361.40 - Step 4: Simplify right side
1,649,206.20x = 1,999,452,579,381.18 - Step 5: Solve for x
x = 1,999,452,579,381.18/1,649,206.20 - Step 6: Final answer
x = 1,212,372.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.