Finding the Fourth Proportional to 2,891,306.70, 4,336,960.05 and 1,398,314.70
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Solution
The fourth proportional to 2,891,306.70, 4,336,960.05 and 1,398,314.70 is: 2,097,472.05
Step by Step Solution
- Step 1: Write the proportion equation
2,891,306.70 : 4,336,960.05 = 1,398,314.70 : x - Step 2: Convert to fraction form
2,891,306.70/4,336,960.05 = 1,398,314.70/x - Step 3: Cross multiply
2,891,306.70x = 4,336,960.05 × 1,398,314.70 - Step 4: Simplify right side
2,891,306.70x = 6,064,434,991,227.74 - Step 5: Solve for x
x = 6,064,434,991,227.74/2,891,306.70 - Step 6: Final answer
x = 2,097,472.05
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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.