Finding the Fourth Proportional to 4,937,698.82, 7,406,796.09 and 1,572,168.26
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Solution
The fourth proportional to 4,937,698.82, 7,406,796.09 and 1,572,168.26 is: 2,358,331.31
Step by Step Solution
- Step 1: Write the proportion equation
4,937,698.82 : 7,406,796.09 = 1,572,168.26 : x - Step 2: Convert to fraction form
4,937,698.82/7,406,796.09 = 1,572,168.26/x - Step 3: Cross multiply
4,937,698.82x = 7,406,796.09 × 1,572,168.26 - Step 4: Simplify right side
4,937,698.82x = 11,644,729,720,990.10 - Step 5: Solve for x
x = 11,644,729,720,990.10/4,937,698.82 - Step 6: Final answer
x = 2,358,331.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.