Finding the Fourth Proportional to 2,400,035.40, 3,312,882.72 and 1,381,845.96
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Solution
The fourth proportional to 2,400,035.40, 3,312,882.72 and 1,381,845.96 is: 1,907,427.53
Step by Step Solution
- Step 1: Write the proportion equation
2,400,035.40 : 3,312,882.72 = 1,381,845.96 : x - Step 2: Convert to fraction form
2,400,035.40/3,312,882.72 = 1,381,845.96/x - Step 3: Cross multiply
2,400,035.40x = 3,312,882.72 × 1,381,845.96 - Step 4: Simplify right side
2,400,035.40x = 4,577,893,602,585.81 - Step 5: Solve for x
x = 4,577,893,602,585.81/2,400,035.40 - Step 6: Final answer
x = 1,907,427.53
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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.