Finding the Fourth Proportional to 1,512,487.18, 2,087,205.17 and 824,164.98
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Solution
The fourth proportional to 1,512,487.18, 2,087,205.17 and 824,164.98 is: 1,137,332.88
Step by Step Solution
- Step 1: Write the proportion equation
1,512,487.18 : 2,087,205.17 = 824,164.98 : x - Step 2: Convert to fraction form
1,512,487.18/2,087,205.17 = 824,164.98/x - Step 3: Cross multiply
1,512,487.18x = 2,087,205.17 × 824,164.98 - Step 4: Simplify right side
1,512,487.18x = 1,720,201,395,241.10 - Step 5: Solve for x
x = 1,720,201,395,241.10/1,512,487.18 - Step 6: Final answer
x = 1,137,332.88
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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.