Finding the Fourth Proportional to 3,406,474.14, 4,700,776.20 and 1,955,148.14
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Solution
The fourth proportional to 3,406,474.14, 4,700,776.20 and 1,955,148.14 is: 2,698,013.68
Step by Step Solution
- Step 1: Write the proportion equation
3,406,474.14 : 4,700,776.20 = 1,955,148.14 : x - Step 2: Convert to fraction form
3,406,474.14/4,700,776.20 = 1,955,148.14/x - Step 3: Cross multiply
3,406,474.14x = 4,700,776.20 × 1,955,148.14 - Step 4: Simplify right side
3,406,474.14x = 9,190,713,843,986.27 - Step 5: Solve for x
x = 9,190,713,843,986.27/3,406,474.14 - Step 6: Final answer
x = 2,698,013.68
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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.