Finding the Fourth Proportional to 3,165,811.49, 4,725,793.94 and 2,782,747.51
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Solution
The fourth proportional to 3,165,811.49, 4,725,793.94 and 2,782,747.51 is: 4,153,971.68
Step by Step Solution
- Step 1: Write the proportion equation
3,165,811.49 : 4,725,793.94 = 2,782,747.51 : x - Step 2: Convert to fraction form
3,165,811.49/4,725,793.94 = 2,782,747.51/x - Step 3: Cross multiply
3,165,811.49x = 4,725,793.94 × 2,782,747.51 - Step 4: Simplify right side
3,165,811.49x = 13,150,691,293,579.87 - Step 5: Solve for x
x = 13,150,691,293,579.87/3,165,811.49 - Step 6: Final answer
x = 4,153,971.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.