Finding the Fourth Proportional to 2,438,266.20, 3,657,574.62 and 840,806.28
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Solution
The fourth proportional to 2,438,266.20, 3,657,574.62 and 840,806.28 is: 1,261,269.88
Step by Step Solution
- Step 1: Write the proportion equation
2,438,266.20 : 3,657,574.62 = 840,806.28 : x - Step 2: Convert to fraction form
2,438,266.20/3,657,574.62 = 840,806.28/x - Step 3: Cross multiply
2,438,266.20x = 3,657,574.62 × 840,806.28 - Step 4: Simplify right side
2,438,266.20x = 3,075,311,710,064.61 - Step 5: Solve for x
x = 3,075,311,710,064.61/2,438,266.20 - Step 6: Final answer
x = 1,261,269.88
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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.