Finding the Fourth Proportional to 2,930,530.40, 4,397,107.80 and 1,332,270.80
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Solution
The fourth proportional to 2,930,530.40, 4,397,107.80 and 1,332,270.80 is: 1,999,002.75
Step by Step Solution
- Step 1: Write the proportion equation
2,930,530.40 : 4,397,107.80 = 1,332,270.80 : x - Step 2: Convert to fraction form
2,930,530.40/4,397,107.80 = 1,332,270.80/x - Step 3: Cross multiply
2,930,530.40x = 4,397,107.80 × 1,332,270.80 - Step 4: Simplify right side
2,930,530.40x = 5,858,138,326,392.24 - Step 5: Solve for x
x = 5,858,138,326,392.24/2,930,530.40 - Step 6: Final answer
x = 1,999,002.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.