Finding the Fourth Proportional to 5,440,212.18, 7,507,196.19 and 2,992,428
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Solution
The fourth proportional to 5,440,212.18, 7,507,196.19 and 2,992,428 is: 4,129,387.48
Step by Step Solution
- Step 1: Write the proportion equation
5,440,212.18 : 7,507,196.19 = 2,992,428 : x - Step 2: Convert to fraction form
5,440,212.18/7,507,196.19 = 2,992,428/x - Step 3: Cross multiply
5,440,212.18x = 7,507,196.19 × 2,992,428 - Step 4: Simplify right side
5,440,212.18x = 22,464,744,080,449.32 - Step 5: Solve for x
x = 22,464,744,080,449.32/5,440,212.18 - Step 6: Final answer
x = 4,129,387.48
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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.