Finding the Fourth Proportional to 4,312,785.76, 6,468,493.07 and 1,433,913.12
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Solution
The fourth proportional to 4,312,785.76, 6,468,493.07 and 1,433,913.12 is: 2,150,641.74
Step by Step Solution
- Step 1: Write the proportion equation
4,312,785.76 : 6,468,493.07 = 1,433,913.12 : x - Step 2: Convert to fraction form
4,312,785.76/6,468,493.07 = 1,433,913.12/x - Step 3: Cross multiply
4,312,785.76x = 6,468,493.07 × 1,433,913.12 - Step 4: Simplify right side
4,312,785.76x = 9,275,257,083,286.86 - Step 5: Solve for x
x = 9,275,257,083,286.86/4,312,785.76 - Step 6: Final answer
x = 2,150,641.74
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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.