Finding the Fourth Proportional to 4,819,701.29, 6,651,132.95 and 2,782,467.05
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Solution
The fourth proportional to 4,819,701.29, 6,651,132.95 and 2,782,467.05 is: 3,839,772.87
Step by Step Solution
- Step 1: Write the proportion equation
4,819,701.29 : 6,651,132.95 = 2,782,467.05 : x - Step 2: Convert to fraction form
4,819,701.29/6,651,132.95 = 2,782,467.05/x - Step 3: Cross multiply
4,819,701.29x = 6,651,132.95 × 2,782,467.05 - Step 4: Simplify right side
4,819,701.29x = 18,506,558,252,244.80 - Step 5: Solve for x
x = 18,506,558,252,244.80/4,819,701.29 - Step 6: Final answer
x = 3,839,772.87
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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.