Finding the Fourth Proportional to 1,639,975.41, 2,460,673.55 and 880,931.21
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Solution
The fourth proportional to 1,639,975.41, 2,460,673.55 and 880,931.21 is: 1,321,778.42
Step by Step Solution
- Step 1: Write the proportion equation
1,639,975.41 : 2,460,673.55 = 880,931.21 : x - Step 2: Convert to fraction form
1,639,975.41/2,460,673.55 = 880,931.21/x - Step 3: Cross multiply
1,639,975.41x = 2,460,673.55 × 880,931.21 - Step 4: Simplify right side
1,639,975.41x = 2,167,684,111,108.47 - Step 5: Solve for x
x = 2,167,684,111,108.47/1,639,975.41 - Step 6: Final answer
x = 1,321,778.42
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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.