Finding the Fourth Proportional to 1,613,276.26, 2,421,409.76 and 815,118.76
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Solution
The fourth proportional to 1,613,276.26, 2,421,409.76 and 815,118.76 is: 1,223,433.69
Step by Step Solution
- Step 1: Write the proportion equation
1,613,276.26 : 2,421,409.76 = 815,118.76 : x - Step 2: Convert to fraction form
1,613,276.26/2,421,409.76 = 815,118.76/x - Step 3: Cross multiply
1,613,276.26x = 2,421,409.76 × 815,118.76 - Step 4: Simplify right side
1,613,276.26x = 1,973,736,521,023.10 - Step 5: Solve for x
x = 1,973,736,521,023.10/1,613,276.26 - Step 6: Final answer
x = 1,223,433.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.