Finding the Fourth Proportional to 1,371,745.05, 2,057,617.58 and 1,345,501.05
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Solution
The fourth proportional to 1,371,745.05, 2,057,617.58 and 1,345,501.05 is: 2,018,251.58
Step by Step Solution
- Step 1: Write the proportion equation
1,371,745.05 : 2,057,617.58 = 1,345,501.05 : x - Step 2: Convert to fraction form
1,371,745.05/2,057,617.58 = 1,345,501.05/x - Step 3: Cross multiply
1,371,745.05x = 2,057,617.58 × 1,345,501.05 - Step 4: Simplify right side
1,371,745.05x = 2,768,526,607,660.95 - Step 5: Solve for x
x = 2,768,526,607,660.95/1,371,745.05 - Step 6: Final answer
x = 2,018,251.58
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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.