Finding the Fourth Proportional to 2,745,386.88, 4,116,676.08 and 1,147,513.92
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Solution
The fourth proportional to 2,745,386.88, 4,116,676.08 and 1,147,513.92 is: 1,720,683.94
Step by Step Solution
- Step 1: Write the proportion equation
2,745,386.88 : 4,116,676.08 = 1,147,513.92 : x - Step 2: Convert to fraction form
2,745,386.88/4,116,676.08 = 1,147,513.92/x - Step 3: Cross multiply
2,745,386.88x = 4,116,676.08 × 1,147,513.92 - Step 4: Simplify right side
2,745,386.88x = 4,723,943,105,931.03 - Step 5: Solve for x
x = 4,723,943,105,931.03/2,745,386.88 - Step 6: Final answer
x = 1,720,683.94
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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.