Finding the Fourth Proportional to 3,651,856.63, 5,038,656.73 and 2,361,143.91
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Solution
The fourth proportional to 3,651,856.63, 5,038,656.73 and 2,361,143.91 is: 3,257,793.18
Step by Step Solution
- Step 1: Write the proportion equation
3,651,856.63 : 5,038,656.73 = 2,361,143.91 : x - Step 2: Convert to fraction form
3,651,856.63/5,038,656.73 = 2,361,143.91/x - Step 3: Cross multiply
3,651,856.63x = 5,038,656.73 × 2,361,143.91 - Step 4: Simplify right side
3,651,856.63x = 11,896,993,636,676.48 - Step 5: Solve for x
x = 11,896,993,636,676.48/3,651,856.63 - Step 6: Final answer
x = 3,257,793.18
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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.