Finding the Fourth Proportional to 4,861,455.51, 6,708,943.88 and 2,686,138.81
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Solution
The fourth proportional to 4,861,455.51, 6,708,943.88 and 2,686,138.81 is: 3,706,946.30
Step by Step Solution
- Step 1: Write the proportion equation
4,861,455.51 : 6,708,943.88 = 2,686,138.81 : x - Step 2: Convert to fraction form
4,861,455.51/6,708,943.88 = 2,686,138.81/x - Step 3: Cross multiply
4,861,455.51x = 6,708,943.88 × 2,686,138.81 - Step 4: Simplify right side
4,861,455.51x = 18,021,154,530,179.98 - Step 5: Solve for x
x = 18,021,154,530,179.98/4,861,455.51 - Step 6: Final answer
x = 3,706,946.30
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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.