Finding the Fourth Proportional to 2,285,165.11, 3,153,482.76 and 1,252,675.12
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Solution
The fourth proportional to 2,285,165.11, 3,153,482.76 and 1,252,675.12 is: 1,728,666.95
Step by Step Solution
- Step 1: Write the proportion equation
2,285,165.11 : 3,153,482.76 = 1,252,675.12 : x - Step 2: Convert to fraction form
2,285,165.11/3,153,482.76 = 1,252,675.12/x - Step 3: Cross multiply
2,285,165.11x = 3,153,482.76 × 1,252,675.12 - Step 4: Simplify right side
2,285,165.11x = 3,950,289,394,800.93 - Step 5: Solve for x
x = 3,950,289,394,800.93/2,285,165.11 - Step 6: Final answer
x = 1,728,666.95
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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.