Finding the Fourth Proportional to 1,544,726.40, 2,131,606.08 and 865,531.68
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Solution
The fourth proportional to 1,544,726.40, 2,131,606.08 and 865,531.68 is: 1,194,368.52
Step by Step Solution
- Step 1: Write the proportion equation
1,544,726.40 : 2,131,606.08 = 865,531.68 : x - Step 2: Convert to fraction form
1,544,726.40/2,131,606.08 = 865,531.68/x - Step 3: Cross multiply
1,544,726.40x = 2,131,606.08 × 865,531.68 - Step 4: Simplify right side
1,544,726.40x = 1,844,972,591,520.61 - Step 5: Solve for x
x = 1,844,972,591,520.61/1,544,726.40 - Step 6: Final answer
x = 1,194,368.52
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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.