Finding the Fourth Proportional to 4,429,154.80, 6,643,732.20 and 1,063,361.80
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Solution
The fourth proportional to 4,429,154.80, 6,643,732.20 and 1,063,361.80 is: 1,595,042.70
Step by Step Solution
- Step 1: Write the proportion equation
4,429,154.80 : 6,643,732.20 = 1,063,361.80 : x - Step 2: Convert to fraction form
4,429,154.80/6,643,732.20 = 1,063,361.80/x - Step 3: Cross multiply
4,429,154.80x = 6,643,732.20 × 1,063,361.80 - Step 4: Simplify right side
4,429,154.80x = 7,064,691,030,909.96 - Step 5: Solve for x
x = 7,064,691,030,909.96/4,429,154.80 - Step 6: Final answer
x = 1,595,042.70
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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.