Finding the Fourth Proportional to 1,639,980.29, 2,460,680.85 and 880,936.08
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Solution
The fourth proportional to 1,639,980.29, 2,460,680.85 and 880,936.08 is: 1,321,785.73
Step by Step Solution
- Step 1: Write the proportion equation
1,639,980.29 : 2,460,680.85 = 880,936.08 : x - Step 2: Convert to fraction form
1,639,980.29/2,460,680.85 = 880,936.08/x - Step 3: Cross multiply
1,639,980.29x = 2,460,680.85 × 880,936.08 - Step 4: Simplify right side
1,639,980.29x = 2,167,702,542,130.07 - Step 5: Solve for x
x = 2,167,702,542,130.07/1,639,980.29 - Step 6: Final answer
x = 1,321,785.73
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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.