Finding the Fourth Proportional to 4,679,730.38, 6,457,434.26 and 2,745,285.14
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Solution
The fourth proportional to 4,679,730.38, 6,457,434.26 and 2,745,285.14 is: 3,788,145.23
Step by Step Solution
- Step 1: Write the proportion equation
4,679,730.38 : 6,457,434.26 = 2,745,285.14 : x - Step 2: Convert to fraction form
4,679,730.38/6,457,434.26 = 2,745,285.14/x - Step 3: Cross multiply
4,679,730.38x = 6,457,434.26 × 2,745,285.14 - Step 4: Simplify right side
4,679,730.38x = 17,727,498,316,504.90 - Step 5: Solve for x
x = 17,727,498,316,504.90/4,679,730.38 - Step 6: Final answer
x = 3,788,145.23
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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.