Finding the Fourth Proportional to 6,645,337.20, 9,965,053.35 and 2,600,480.70
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Solution
The fourth proportional to 6,645,337.20, 9,965,053.35 and 2,600,480.70 is: 3,899,565.69
Step by Step Solution
- Step 1: Write the proportion equation
6,645,337.20 : 9,965,053.35 = 2,600,480.70 : x - Step 2: Convert to fraction form
6,645,337.20/9,965,053.35 = 2,600,480.70/x - Step 3: Cross multiply
6,645,337.20x = 9,965,053.35 × 2,600,480.70 - Step 4: Simplify right side
6,645,337.20x = 25,913,928,911,145.35 - Step 5: Solve for x
x = 25,913,928,911,145.35/6,645,337.20 - Step 6: Final answer
x = 3,899,565.69
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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.