Finding the Fourth Proportional to 7,606,721.97, 10,497,255.62 and 4,122,157.05
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Solution
The fourth proportional to 7,606,721.97, 10,497,255.62 and 4,122,157.05 is: 5,688,565.51
Step by Step Solution
- Step 1: Write the proportion equation
7,606,721.97 : 10,497,255.62 = 4,122,157.05 : x - Step 2: Convert to fraction form
7,606,721.97/10,497,255.62 = 4,122,157.05/x - Step 3: Cross multiply
7,606,721.97x = 10,497,255.62 × 4,122,157.05 - Step 4: Simplify right side
7,606,721.97x = 43,271,336,239,024.34 - Step 5: Solve for x
x = 43,271,336,239,024.34/7,606,721.97 - Step 6: Final answer
x = 5,688,565.51
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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.