Finding the Fourth Proportional to 6,489,660.94, 8,956,856.28 and 3,911,345.08
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Solution
The fourth proportional to 6,489,660.94, 8,956,856.28 and 3,911,345.08 is: 5,398,333.76
Step by Step Solution
- Step 1: Write the proportion equation
6,489,660.94 : 8,956,856.28 = 3,911,345.08 : x - Step 2: Convert to fraction form
6,489,660.94/8,956,856.28 = 3,911,345.08/x - Step 3: Cross multiply
6,489,660.94x = 8,956,856.28 × 3,911,345.08 - Step 4: Simplify right side
6,489,660.94x = 35,033,355,743,045.10 - Step 5: Solve for x
x = 35,033,355,743,045.10/6,489,660.94 - Step 6: Final answer
x = 5,398,333.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.