Finding the Fourth Proportional to 6,970,838.65, 9,618,185.08 and 4,217,457.62
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Solution
The fourth proportional to 6,970,838.65, 9,618,185.08 and 4,217,457.62 is: 5,819,140.28
Step by Step Solution
- Step 1: Write the proportion equation
6,970,838.65 : 9,618,185.08 = 4,217,457.62 : x - Step 2: Convert to fraction form
6,970,838.65/9,618,185.08 = 4,217,457.62/x - Step 3: Cross multiply
6,970,838.65x = 9,618,185.08 × 4,217,457.62 - Step 4: Simplify right side
6,970,838.65x = 40,564,287,956,216.31 - Step 5: Solve for x
x = 40,564,287,956,216.31/6,970,838.65 - Step 6: Final answer
x = 5,819,140.28
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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.