Finding the Fourth Proportional to 2,880,083.12, 3,974,635.38 and 1,656,389.48
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Solution
The fourth proportional to 2,880,083.12, 3,974,635.38 and 1,656,389.48 is: 2,285,886.88
Step by Step Solution
- Step 1: Write the proportion equation
2,880,083.12 : 3,974,635.38 = 1,656,389.48 : x - Step 2: Convert to fraction form
2,880,083.12/3,974,635.38 = 1,656,389.48/x - Step 3: Cross multiply
2,880,083.12x = 3,974,635.38 × 1,656,389.48 - Step 4: Simplify right side
2,880,083.12x = 6,583,544,210,394.63 - Step 5: Solve for x
x = 6,583,544,210,394.63/2,880,083.12 - Step 6: Final answer
x = 2,285,886.88
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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.