Finding the Fourth Proportional to 5,609,812.65, 7,742,223.32 and 3,162,894.99
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Solution
The fourth proportional to 5,609,812.65, 7,742,223.32 and 3,162,894.99 is: 4,365,179.53
Step by Step Solution
- Step 1: Write the proportion equation
5,609,812.65 : 7,742,223.32 = 3,162,894.99 : x - Step 2: Convert to fraction form
5,609,812.65/7,742,223.32 = 3,162,894.99/x - Step 3: Cross multiply
5,609,812.65x = 7,742,223.32 × 3,162,894.99 - Step 4: Simplify right side
5,609,812.65x = 24,487,839,334,474.70 - Step 5: Solve for x
x = 24,487,839,334,474.70/5,609,812.65 - Step 6: Final answer
x = 4,365,179.53
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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.