Finding the Fourth Proportional to 7,720,924.10, 11,585,533.35 and 3,233,653.70
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Solution
The fourth proportional to 7,720,924.10, 11,585,533.35 and 3,233,653.70 is: 4,852,217.47
Step by Step Solution
- Step 1: Write the proportion equation
7,720,924.10 : 11,585,533.35 = 3,233,653.70 : x - Step 2: Convert to fraction form
7,720,924.10/11,585,533.35 = 3,233,653.70/x - Step 3: Cross multiply
7,720,924.10x = 11,585,533.35 × 3,233,653.70 - Step 4: Simplify right side
7,720,924.10x = 37,463,602,783,700.90 - Step 5: Solve for x
x = 37,463,602,783,700.90/7,720,924.10 - Step 6: Final answer
x = 4,852,217.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.