Finding the Fourth Proportional to 2,943,753.98, 4,062,428.42 and 1,619,230.05
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Solution
The fourth proportional to 2,943,753.98, 4,062,428.42 and 1,619,230.05 is: 2,234,563.83
Step by Step Solution
- Step 1: Write the proportion equation
2,943,753.98 : 4,062,428.42 = 1,619,230.05 : x - Step 2: Convert to fraction form
2,943,753.98/4,062,428.42 = 1,619,230.05/x - Step 3: Cross multiply
2,943,753.98x = 4,062,428.42 × 1,619,230.05 - Step 4: Simplify right side
2,943,753.98x = 6,578,006,165,541.87 - Step 5: Solve for x
x = 6,578,006,165,541.87/2,943,753.98 - Step 6: Final answer
x = 2,234,563.83
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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.