Finding the Fourth Proportional to 1,973,378.79, 2,723,262.69 and 1,067,960.79
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Solution
The fourth proportional to 1,973,378.79, 2,723,262.69 and 1,067,960.79 is: 1,473,785.87
Step by Step Solution
- Step 1: Write the proportion equation
1,973,378.79 : 2,723,262.69 = 1,067,960.79 : x - Step 2: Convert to fraction form
1,973,378.79/2,723,262.69 = 1,067,960.79/x - Step 3: Cross multiply
1,973,378.79x = 2,723,262.69 × 1,067,960.79 - Step 4: Simplify right side
1,973,378.79x = 2,908,337,773,789.93 - Step 5: Solve for x
x = 2,908,337,773,789.93/1,973,378.79 - Step 6: Final answer
x = 1,473,785.87
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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.