Finding the Fourth Proportional to 2,117,297.07, 2,921,864.00 and 1,150,430.85
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Solution
The fourth proportional to 2,117,297.07, 2,921,864.00 and 1,150,430.85 is: 1,587,591.33
Step by Step Solution
- Step 1: Write the proportion equation
2,117,297.07 : 2,921,864.00 = 1,150,430.85 : x - Step 2: Convert to fraction form
2,117,297.07/2,921,864.00 = 1,150,430.85/x - Step 3: Cross multiply
2,117,297.07x = 2,921,864.00 × 1,150,430.85 - Step 4: Simplify right side
2,117,297.07x = 3,361,402,479,352.25 - Step 5: Solve for x
x = 3,361,402,479,352.25/2,117,297.07 - Step 6: Final answer
x = 1,587,591.33
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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.