Finding the Fourth Proportional to 4,971,973.58, 6,861,255.63 and 2,796,516.08
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Solution
The fourth proportional to 4,971,973.58, 6,861,255.63 and 2,796,516.08 is: 3,859,153.99
Step by Step Solution
- Step 1: Write the proportion equation
4,971,973.58 : 6,861,255.63 = 2,796,516.08 : x - Step 2: Convert to fraction form
4,971,973.58/6,861,255.63 = 2,796,516.08/x - Step 3: Cross multiply
4,971,973.58x = 6,861,255.63 × 2,796,516.08 - Step 4: Simplify right side
4,971,973.58x = 19,187,611,698,285.53 - Step 5: Solve for x
x = 19,187,611,698,285.53/4,971,973.58 - Step 6: Final answer
x = 3,859,153.99
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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.