Finding the Fourth Proportional to 4,270,769.70, 6,404,836.29 and 1,238,359.08
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Solution
The fourth proportional to 4,270,769.70, 6,404,836.29 and 1,238,359.08 is: 1,857,156.38
Step by Step Solution
- Step 1: Write the proportion equation
4,270,769.70 : 6,404,836.29 = 1,238,359.08 : x - Step 2: Convert to fraction form
4,270,769.70/6,404,836.29 = 1,238,359.08/x - Step 3: Cross multiply
4,270,769.70x = 6,404,836.29 × 1,238,359.08 - Step 4: Simplify right side
4,270,769.70x = 7,931,487,175,635.01 - Step 5: Solve for x
x = 7,931,487,175,635.01/4,270,769.70 - Step 6: Final answer
x = 1,857,156.38
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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.