Finding the Fourth Proportional to 2,646,141.36, 3,652,789.82 and 1,787,864.15
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Solution
The fourth proportional to 2,646,141.36, 3,652,789.82 and 1,787,864.15 is: 2,468,005.70
Step by Step Solution
- Step 1: Write the proportion equation
2,646,141.36 : 3,652,789.82 = 1,787,864.15 : x - Step 2: Convert to fraction form
2,646,141.36/3,652,789.82 = 1,787,864.15/x - Step 3: Cross multiply
2,646,141.36x = 3,652,789.82 × 1,787,864.15 - Step 4: Simplify right side
2,646,141.36x = 6,530,691,956,365.40 - Step 5: Solve for x
x = 6,530,691,956,365.40/2,646,141.36 - Step 6: Final answer
x = 2,468,005.70
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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.