Finding the Fourth Proportional to 3,863,503.80, 5,795,255.70 and 1,973,935.80
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Solution
The fourth proportional to 3,863,503.80, 5,795,255.70 and 1,973,935.80 is: 2,960,903.70
Step by Step Solution
- Step 1: Write the proportion equation
3,863,503.80 : 5,795,255.70 = 1,973,935.80 : x - Step 2: Convert to fraction form
3,863,503.80/5,795,255.70 = 1,973,935.80/x - Step 3: Cross multiply
3,863,503.80x = 5,795,255.70 × 1,973,935.80 - Step 4: Simplify right side
3,863,503.80x = 11,439,462,696,384.06 - Step 5: Solve for x
x = 11,439,462,696,384.06/3,863,503.80 - Step 6: Final answer
x = 2,960,903.70
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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.