Finding the Fourth Proportional to 3,192,992.66, 4,406,342.09 and 1,742,720.06
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Solution
The fourth proportional to 3,192,992.66, 4,406,342.09 and 1,742,720.06 is: 2,404,960.35
Step by Step Solution
- Step 1: Write the proportion equation
3,192,992.66 : 4,406,342.09 = 1,742,720.06 : x - Step 2: Convert to fraction form
3,192,992.66/4,406,342.09 = 1,742,720.06/x - Step 3: Cross multiply
3,192,992.66x = 4,406,342.09 × 1,742,720.06 - Step 4: Simplify right side
3,192,992.66x = 7,679,020,753,767.58 - Step 5: Solve for x
x = 7,679,020,753,767.58/3,192,992.66 - Step 6: Final answer
x = 2,404,960.35
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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.