Finding the Fourth Proportional to 4,117,118.09, 5,681,553.57 and 2,281,572.63
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Solution
The fourth proportional to 4,117,118.09, 5,681,553.57 and 2,281,572.63 is: 3,148,531.77
Step by Step Solution
- Step 1: Write the proportion equation
4,117,118.09 : 5,681,553.57 = 2,281,572.63 : x - Step 2: Convert to fraction form
4,117,118.09/5,681,553.57 = 2,281,572.63/x - Step 3: Cross multiply
4,117,118.09x = 5,681,553.57 × 2,281,572.63 - Step 4: Simplify right side
4,117,118.09x = 12,962,877,121,190.79 - Step 5: Solve for x
x = 12,962,877,121,190.79/4,117,118.09 - Step 6: Final answer
x = 3,148,531.77
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1.5x scale
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.