Finding the Fourth Proportional to 4,161,726.40, 6,242,589.60 and 3,912,894.40
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Solution
The fourth proportional to 4,161,726.40, 6,242,589.60 and 3,912,894.40 is: 5,869,341.60
Step by Step Solution
- Step 1: Write the proportion equation
4,161,726.40 : 6,242,589.60 = 3,912,894.40 : x - Step 2: Convert to fraction form
4,161,726.40/6,242,589.60 = 3,912,894.40/x - Step 3: Cross multiply
4,161,726.40x = 6,242,589.60 × 3,912,894.40 - Step 4: Simplify right side
4,161,726.40x = 24,426,593,887,338.24 - Step 5: Solve for x
x = 24,426,593,887,338.24/4,161,726.40 - Step 6: Final answer
x = 5,869,341.60
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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.