Finding the Fourth Proportional to 3,544,257.50, 5,316,129.26 and 1,384,876.58
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Solution
The fourth proportional to 3,544,257.50, 5,316,129.26 and 1,384,876.58 is: 2,077,214.45
Step by Step Solution
- Step 1: Write the proportion equation
3,544,257.50 : 5,316,129.26 = 1,384,876.58 : x - Step 2: Convert to fraction form
3,544,257.50/5,316,129.26 = 1,384,876.58/x - Step 3: Cross multiply
3,544,257.50x = 5,316,129.26 × 1,384,876.58 - Step 4: Simplify right side
3,544,257.50x = 7,362,182,874,921.70 - Step 5: Solve for x
x = 7,362,182,874,921.70/3,544,257.50 - Step 6: Final answer
x = 2,077,214.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.