Finding the Fourth Proportional to 2,811,977.48, 3,880,508.64 and 1,522,787.96
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Solution
The fourth proportional to 2,811,977.48, 3,880,508.64 and 1,522,787.96 is: 2,101,436.40
Step by Step Solution
- Step 1: Write the proportion equation
2,811,977.48 : 3,880,508.64 = 1,522,787.96 : x - Step 2: Convert to fraction form
2,811,977.48/3,880,508.64 = 1,522,787.96/x - Step 3: Cross multiply
2,811,977.48x = 3,880,508.64 × 1,522,787.96 - Step 4: Simplify right side
2,811,977.48x = 5,909,191,835,667.98 - Step 5: Solve for x
x = 5,909,191,835,667.98/2,811,977.48 - Step 6: Final answer
x = 2,101,436.40
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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.