Finding the Fourth Proportional to 1,672,897.84, 2,507,936.10 and 725,555.02
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Solution
The fourth proportional to 1,672,897.84, 2,507,936.10 and 725,555.02 is: 1,087,720.71
Step by Step Solution
- Step 1: Write the proportion equation
1,672,897.84 : 2,507,936.10 = 725,555.02 : x - Step 2: Convert to fraction form
1,672,897.84/2,507,936.10 = 725,555.02/x - Step 3: Cross multiply
1,672,897.84x = 2,507,936.10 × 725,555.02 - Step 4: Simplify right side
1,672,897.84x = 1,819,645,627,194.22 - Step 5: Solve for x
x = 1,819,645,627,194.22/1,672,897.84 - Step 6: Final answer
x = 1,087,720.71
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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.