Finding the Fourth Proportional to 1,587,309.04, 2,190,502.56 and 862,170.94
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Solution
The fourth proportional to 1,587,309.04, 2,190,502.56 and 862,170.94 is: 1,189,804.63
Step by Step Solution
- Step 1: Write the proportion equation
1,587,309.04 : 2,190,502.56 = 862,170.94 : x - Step 2: Convert to fraction form
1,587,309.04/2,190,502.56 = 862,170.94/x - Step 3: Cross multiply
1,587,309.04x = 2,190,502.56 × 862,170.94 - Step 4: Simplify right side
1,587,309.04x = 1,888,587,651,227.61 - Step 5: Solve for x
x = 1,888,587,651,227.61/1,587,309.04 - Step 6: Final answer
x = 1,189,804.63
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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.