Finding the Fourth Proportional to 6,688,348.99, 9,229,612.72 and 3,787,760.62
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Solution
The fourth proportional to 6,688,348.99, 9,229,612.72 and 3,787,760.62 is: 5,226,934.73
Step by Step Solution
- Step 1: Write the proportion equation
6,688,348.99 : 9,229,612.72 = 3,787,760.62 : x - Step 2: Convert to fraction form
6,688,348.99/9,229,612.72 = 3,787,760.62/x - Step 3: Cross multiply
6,688,348.99x = 9,229,612.72 × 3,787,760.62 - Step 4: Simplify right side
6,688,348.99x = 34,959,563,598,667.09 - Step 5: Solve for x
x = 34,959,563,598,667.09/6,688,348.99 - Step 6: Final answer
x = 5,226,934.73
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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.