Finding the Fourth Proportional to 6,931,955.97, 10,393,931.66 and 2,138,358.15
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Solution
The fourth proportional to 6,931,955.97, 10,393,931.66 and 2,138,358.15 is: 3,206,302.60
Step by Step Solution
- Step 1: Write the proportion equation
6,931,955.97 : 10,393,931.66 = 2,138,358.15 : x - Step 2: Convert to fraction form
6,931,955.97/10,393,931.66 = 2,138,358.15/x - Step 3: Cross multiply
6,931,955.97x = 10,393,931.66 × 2,138,358.15 - Step 4: Simplify right side
6,931,955.97x = 22,225,948,465,012.23 - Step 5: Solve for x
x = 22,225,948,465,012.23/6,931,955.97 - Step 6: Final answer
x = 3,206,302.60
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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.