Finding the Fourth Proportional to 5,717,454.93, 7,890,101.33 and 3,139,301.79
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Solution
The fourth proportional to 5,717,454.93, 7,890,101.33 and 3,139,301.79 is: 4,332,243.89
Step by Step Solution
- Step 1: Write the proportion equation
5,717,454.93 : 7,890,101.33 = 3,139,301.79 : x - Step 2: Convert to fraction form
5,717,454.93/7,890,101.33 = 3,139,301.79/x - Step 3: Cross multiply
5,717,454.93x = 7,890,101.33 × 3,139,301.79 - Step 4: Simplify right side
5,717,454.93x = 24,769,409,212,853.87 - Step 5: Solve for x
x = 24,769,409,212,853.87/5,717,454.93 - Step 6: Final answer
x = 4,332,243.89
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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.