Finding the Fourth Proportional to 6,908,536.90, 10,362,708.15 and 3,122,013.70
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Solution
The fourth proportional to 6,908,536.90, 10,362,708.15 and 3,122,013.70 is: 4,682,976.62
Step by Step Solution
- Step 1: Write the proportion equation
6,908,536.90 : 10,362,708.15 = 3,122,013.70 : x - Step 2: Convert to fraction form
6,908,536.90/10,362,708.15 = 3,122,013.70/x - Step 3: Cross multiply
6,908,536.90x = 10,362,708.15 × 3,122,013.70 - Step 4: Simplify right side
6,908,536.90x = 32,352,516,813,401.66 - Step 5: Solve for x
x = 32,352,516,813,401.66/6,908,536.90 - Step 6: Final answer
x = 4,682,976.62
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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.