Finding the Fourth Proportional to 1,350,555.24, 1,864,340.16 and 841,509.12
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Solution
The fourth proportional to 1,350,555.24, 1,864,340.16 and 841,509.12 is: 1,161,640.19
Step by Step Solution
- Step 1: Write the proportion equation
1,350,555.24 : 1,864,340.16 = 841,509.12 : x - Step 2: Convert to fraction form
1,350,555.24/1,864,340.16 = 841,509.12/x - Step 3: Cross multiply
1,350,555.24x = 1,864,340.16 × 841,509.12 - Step 4: Simplify right side
1,350,555.24x = 1,568,859,247,422.26 - Step 5: Solve for x
x = 1,568,859,247,422.26/1,350,555.24 - Step 6: Final answer
x = 1,161,640.19
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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.