Finding the Fourth Proportional to 2,658,863.02, 3,669,184.02 and 1,512,918.76
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Solution
The fourth proportional to 2,658,863.02, 3,669,184.02 and 1,512,918.76 is: 2,087,801.18
Step by Step Solution
- Step 1: Write the proportion equation
2,658,863.02 : 3,669,184.02 = 1,512,918.76 : x - Step 2: Convert to fraction form
2,658,863.02/3,669,184.02 = 1,512,918.76/x - Step 3: Cross multiply
2,658,863.02x = 3,669,184.02 × 1,512,918.76 - Step 4: Simplify right side
2,658,863.02x = 5,551,177,337,750.22 - Step 5: Solve for x
x = 5,551,177,337,750.22/2,658,863.02 - Step 6: Final answer
x = 2,087,801.18
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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.