Finding the Fourth Proportional to 2,357,818.62, 3,253,789.74 and 1,284,730.62
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Solution
The fourth proportional to 2,357,818.62, 3,253,789.74 and 1,284,730.62 is: 1,772,928.28
Step by Step Solution
- Step 1: Write the proportion equation
2,357,818.62 : 3,253,789.74 = 1,284,730.62 : x - Step 2: Convert to fraction form
2,357,818.62/3,253,789.74 = 1,284,730.62/x - Step 3: Cross multiply
2,357,818.62x = 3,253,789.74 × 1,284,730.62 - Step 4: Simplify right side
2,357,818.62x = 4,180,243,310,019.84 - Step 5: Solve for x
x = 4,180,243,310,019.84/2,357,818.62 - Step 6: Final answer
x = 1,772,928.28
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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.