Finding the Fourth Proportional to 6,864,235.85, 9,472,756.01 and 3,963,880.19
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Solution
The fourth proportional to 6,864,235.85, 9,472,756.01 and 3,963,880.19 is: 5,470,218.49
Step by Step Solution
- Step 1: Write the proportion equation
6,864,235.85 : 9,472,756.01 = 3,963,880.19 : x - Step 2: Convert to fraction form
6,864,235.85/9,472,756.01 = 3,963,880.19/x - Step 3: Cross multiply
6,864,235.85x = 9,472,756.01 × 3,963,880.19 - Step 4: Simplify right side
6,864,235.85x = 37,548,869,896,604.93 - Step 5: Solve for x
x = 37,548,869,896,604.93/6,864,235.85 - Step 6: Final answer
x = 5,470,218.49
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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.