Finding the Fourth Proportional to 2,975,305.62, 4,105,835.55 and 1,686,265.14
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Solution
The fourth proportional to 2,975,305.62, 4,105,835.55 and 1,686,265.14 is: 2,326,997.04
Step by Step Solution
- Step 1: Write the proportion equation
2,975,305.62 : 4,105,835.55 = 1,686,265.14 : x - Step 2: Convert to fraction form
2,975,305.62/4,105,835.55 = 1,686,265.14/x - Step 3: Cross multiply
2,975,305.62x = 4,105,835.55 × 1,686,265.14 - Step 4: Simplify right side
2,975,305.62x = 6,923,527,358,537.73 - Step 5: Solve for x
x = 6,923,527,358,537.73/2,975,305.62 - Step 6: Final answer
x = 2,326,997.04
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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.