Finding the Fourth Proportional to 6,881,250.40, 9,486,626.36 and 5,490,534.98
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Solution
The fourth proportional to 6,881,250.40, 9,486,626.36 and 5,490,534.98 is: 7,569,358.89
Step by Step Solution
- Step 1: Write the proportion equation
6,881,250.40 : 9,486,626.36 = 5,490,534.98 : x - Step 2: Convert to fraction form
6,881,250.40/9,486,626.36 = 5,490,534.98/x - Step 3: Cross multiply
6,881,250.40x = 9,486,626.36 × 5,490,534.98 - Step 4: Simplify right side
6,881,250.40x = 52,086,653,868,033.97 - Step 5: Solve for x
x = 52,086,653,868,033.97/6,881,250.40 - Step 6: Final answer
x = 7,569,358.89
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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.