Finding the Fourth Proportional to 2,378,926.56, 3,282,910.34 and 1,291,198.08
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Solution
The fourth proportional to 2,378,926.56, 3,282,910.34 and 1,291,198.08 is: 1,781,848.84
Step by Step Solution
- Step 1: Write the proportion equation
2,378,926.56 : 3,282,910.34 = 1,291,198.08 : x - Step 2: Convert to fraction form
2,378,926.56/3,282,910.34 = 1,291,198.08/x - Step 3: Cross multiply
2,378,926.56x = 3,282,910.34 × 1,291,198.08 - Step 4: Simplify right side
2,378,926.56x = 4,238,887,527,820.15 - Step 5: Solve for x
x = 4,238,887,527,820.15/2,378,926.56 - Step 6: Final answer
x = 1,781,848.84
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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.