Finding the Fourth Proportional to 2,220,577.38, 3,064,395.96 and 1,201,982.13
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Solution
The fourth proportional to 2,220,577.38, 3,064,395.96 and 1,201,982.13 is: 1,658,734.89
Step by Step Solution
- Step 1: Write the proportion equation
2,220,577.38 : 3,064,395.96 = 1,201,982.13 : x - Step 2: Convert to fraction form
2,220,577.38/3,064,395.96 = 1,201,982.13/x - Step 3: Cross multiply
2,220,577.38x = 3,064,395.96 × 1,201,982.13 - Step 4: Simplify right side
2,220,577.38x = 3,683,349,183,164.19 - Step 5: Solve for x
x = 3,683,349,183,164.19/2,220,577.38 - Step 6: Final answer
x = 1,658,734.89
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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.