Finding the Fourth Proportional to 6,764,233.28, 9,334,639.68 and 3,708,381.92
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Solution
The fourth proportional to 6,764,233.28, 9,334,639.68 and 3,708,381.92 is: 5,117,565.82
Step by Step Solution
- Step 1: Write the proportion equation
6,764,233.28 : 9,334,639.68 = 3,708,381.92 : x - Step 2: Convert to fraction form
6,764,233.28/9,334,639.68 = 3,708,381.92/x - Step 3: Cross multiply
6,764,233.28x = 9,334,639.68 × 3,708,381.92 - Step 4: Simplify right side
6,764,233.28x = 34,616,409,019,026.58 - Step 5: Solve for x
x = 34,616,409,019,026.58/6,764,233.28 - Step 6: Final answer
x = 5,117,565.82
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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.