Finding the Fourth Proportional to 4,446,869.98, 6,668,670.56 and 1,528,134.70
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Solution
The fourth proportional to 4,446,869.98, 6,668,670.56 and 1,528,134.70 is: 2,291,640.40
Step by Step Solution
- Step 1: Write the proportion equation
4,446,869.98 : 6,668,670.56 = 1,528,134.70 : x - Step 2: Convert to fraction form
4,446,869.98/6,668,670.56 = 1,528,134.70/x - Step 3: Cross multiply
4,446,869.98x = 6,668,670.56 × 1,528,134.70 - Step 4: Simplify right side
4,446,869.98x = 10,190,626,885,604.43 - Step 5: Solve for x
x = 10,190,626,885,604.43/4,446,869.98 - Step 6: Final answer
x = 2,291,640.40
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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.