Finding the Fourth Proportional to 4,138,364.08, 5,707,707.10 and 2,688,526.65
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Solution
The fourth proportional to 4,138,364.08, 5,707,707.10 and 2,688,526.65 is: 3,708,064.92
Step by Step Solution
- Step 1: Write the proportion equation
4,138,364.08 : 5,707,707.10 = 2,688,526.65 : x - Step 2: Convert to fraction form
4,138,364.08/5,707,707.10 = 2,688,526.65/x - Step 3: Cross multiply
4,138,364.08x = 5,707,707.10 × 2,688,526.65 - Step 4: Simplify right side
4,138,364.08x = 15,345,322,663,426.80 - Step 5: Solve for x
x = 15,345,322,663,426.80/4,138,364.08 - Step 6: Final answer
x = 3,708,064.92
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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.