Finding the Fourth Proportional to 1,639,953.47, 2,460,640.68 and 880,909.36
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Solution
The fourth proportional to 1,639,953.47, 2,460,640.68 and 880,909.36 is: 1,321,745.67
Step by Step Solution
- Step 1: Write the proportion equation
1,639,953.47 : 2,460,640.68 = 880,909.36 : x - Step 2: Convert to fraction form
1,639,953.47/2,460,640.68 = 880,909.36/x - Step 3: Cross multiply
1,639,953.47x = 2,460,640.68 × 880,909.36 - Step 4: Simplify right side
1,639,953.47x = 2,167,601,400,457.16 - Step 5: Solve for x
x = 2,167,601,400,457.16/1,639,953.47 - Step 6: Final answer
x = 1,321,745.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.