Finding the Fourth Proportional to 2,391,800.47, 3,302,027.79 and 1,657,821.40
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Solution
The fourth proportional to 2,391,800.47, 3,302,027.79 and 1,657,821.40 is: 2,288,724.50
Step by Step Solution
- Step 1: Write the proportion equation
2,391,800.47 : 3,302,027.79 = 1,657,821.40 : x - Step 2: Convert to fraction form
2,391,800.47/3,302,027.79 = 1,657,821.40/x - Step 3: Cross multiply
2,391,800.47x = 3,302,027.79 × 1,657,821.40 - Step 4: Simplify right side
2,391,800.47x = 5,474,172,319,184.81 - Step 5: Solve for x
x = 5,474,172,319,184.81/2,391,800.47 - Step 6: Final answer
x = 2,288,724.50
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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.