Finding the Fourth Proportional to 4,121,516.65, 5,688,373.80 and 2,286,566.07
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Solution
The fourth proportional to 4,121,516.65, 5,688,373.80 and 2,286,566.07 is: 3,155,838.89
Step by Step Solution
- Step 1: Write the proportion equation
4,121,516.65 : 5,688,373.80 = 2,286,566.07 : x - Step 2: Convert to fraction form
4,121,516.65/5,688,373.80 = 2,286,566.07/x - Step 3: Cross multiply
4,121,516.65x = 5,688,373.80 × 2,286,566.07 - Step 4: Simplify right side
4,121,516.65x = 13,006,842,496,115.10 - Step 5: Solve for x
x = 13,006,842,496,115.10/4,121,516.65 - Step 6: Final answer
x = 3,155,838.89
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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.