Finding the Fourth Proportional to 5,251,563.68, 7,877,347.41 and 1,657,694.12
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Solution
The fourth proportional to 5,251,563.68, 7,877,347.41 and 1,657,694.12 is: 2,486,541.78
Step by Step Solution
- Step 1: Write the proportion equation
5,251,563.68 : 7,877,347.41 = 1,657,694.12 : x - Step 2: Convert to fraction form
5,251,563.68/7,877,347.41 = 1,657,694.12/x - Step 3: Cross multiply
5,251,563.68x = 7,877,347.41 × 1,657,694.12 - Step 4: Simplify right side
5,251,563.68x = 13,058,232,482,754.23 - Step 5: Solve for x
x = 13,058,232,482,754.23/5,251,563.68 - Step 6: Final answer
x = 2,486,541.78
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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.