Finding the Fourth Proportional to 5,251,563.18, 7,877,346.66 and 1,657,693.62
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Solution
The fourth proportional to 5,251,563.18, 7,877,346.66 and 1,657,693.62 is: 2,486,541.03
Step by Step Solution
- Step 1: Write the proportion equation
5,251,563.18 : 7,877,346.66 = 1,657,693.62 : x - Step 2: Convert to fraction form
5,251,563.18/7,877,346.66 = 1,657,693.62/x - Step 3: Cross multiply
5,251,563.18x = 7,877,346.66 × 1,657,693.62 - Step 4: Simplify right side
5,251,563.18x = 13,058,227,300,810.31 - Step 5: Solve for x
x = 13,058,227,300,810.31/5,251,563.18 - Step 6: Final answer
x = 2,486,541.03
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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.