Finding the Fourth Proportional to 2,378,906.35, 3,282,894.36 and 1,291,178.32
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Solution
The fourth proportional to 2,378,906.35, 3,282,894.36 and 1,291,178.32 is: 1,781,828.03
Step by Step Solution
- Step 1: Write the proportion equation
2,378,906.35 : 3,282,894.36 = 1,291,178.32 : x - Step 2: Convert to fraction form
2,378,906.35/3,282,894.36 = 1,291,178.32/x - Step 3: Cross multiply
2,378,906.35x = 3,282,894.36 × 1,291,178.32 - Step 4: Simplify right side
2,378,906.35x = 4,238,802,016,275.04 - Step 5: Solve for x
x = 4,238,802,016,275.04/2,378,906.35 - Step 6: Final answer
x = 1,781,828.03
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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.