Finding the Fourth Proportional to 2,859,186.87, 3,945,746.43 and 1,552,493.98
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Solution
The fourth proportional to 2,859,186.87, 3,945,746.43 and 1,552,493.98 is: 2,142,478.91
Step by Step Solution
- Step 1: Write the proportion equation
2,859,186.87 : 3,945,746.43 = 1,552,493.98 : x - Step 2: Convert to fraction form
2,859,186.87/3,945,746.43 = 1,552,493.98/x - Step 3: Cross multiply
2,859,186.87x = 3,945,746.43 × 1,552,493.98 - Step 4: Simplify right side
2,859,186.87x = 6,125,747,551,690.29 - Step 5: Solve for x
x = 6,125,747,551,690.29/2,859,186.87 - Step 6: Final answer
x = 2,142,478.91
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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.