Finding the Fourth Proportional to 6,688,350.99, 9,229,615.48 and 3,787,762.62
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Solution
The fourth proportional to 6,688,350.99, 9,229,615.48 and 3,787,762.62 is: 5,226,937.49
Step by Step Solution
- Step 1: Write the proportion equation
6,688,350.99 : 9,229,615.48 = 3,787,762.62 : x - Step 2: Convert to fraction form
6,688,350.99/9,229,615.48 = 3,787,762.62/x - Step 3: Cross multiply
6,688,350.99x = 9,229,615.48 × 3,787,762.62 - Step 4: Simplify right side
6,688,350.99x = 34,959,592,512,117.36 - Step 5: Solve for x
x = 34,959,592,512,117.36/6,688,350.99 - Step 6: Final answer
x = 5,226,937.49
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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.