Finding the Fourth Proportional to 2,657,639.84, 3,667,543.07 and 1,450,415.84
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Solution
The fourth proportional to 2,657,639.84, 3,667,543.07 and 1,450,415.84 is: 2,001,573.90
Step by Step Solution
- Step 1: Write the proportion equation
2,657,639.84 : 3,667,543.07 = 1,450,415.84 : x - Step 2: Convert to fraction form
2,657,639.84/3,667,543.07 = 1,450,415.84/x - Step 3: Cross multiply
2,657,639.84x = 3,667,543.07 × 1,450,415.84 - Step 4: Simplify right side
2,657,639.84x = 5,319,462,537,020.43 - Step 5: Solve for x
x = 5,319,462,537,020.43/2,657,639.84 - Step 6: Final answer
x = 2,001,573.90
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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.