Finding the Fourth Proportional to 4,886,821.80, 7,330,232.70 and 2,046,637.80
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Solution
The fourth proportional to 4,886,821.80, 7,330,232.70 and 2,046,637.80 is: 3,069,956.70
Step by Step Solution
- Step 1: Write the proportion equation
4,886,821.80 : 7,330,232.70 = 2,046,637.80 : x - Step 2: Convert to fraction form
4,886,821.80/7,330,232.70 = 2,046,637.80/x - Step 3: Cross multiply
4,886,821.80x = 7,330,232.70 × 2,046,637.80 - Step 4: Simplify right side
4,886,821.80x = 15,002,331,326,616.06 - Step 5: Solve for x
x = 15,002,331,326,616.06/4,886,821.80 - Step 6: Final answer
x = 3,069,956.70
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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.