Finding the Fourth Proportional to 1,703,639.76, 2,350,981.68 and 939,676.92
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Solution
The fourth proportional to 1,703,639.76, 2,350,981.68 and 939,676.92 is: 1,296,731.43
Step by Step Solution
- Step 1: Write the proportion equation
1,703,639.76 : 2,350,981.68 = 939,676.92 : x - Step 2: Convert to fraction form
1,703,639.76/2,350,981.68 = 939,676.92/x - Step 3: Cross multiply
1,703,639.76x = 2,350,981.68 × 939,676.92 - Step 4: Simplify right side
1,703,639.76x = 2,209,163,224,038.83 - Step 5: Solve for x
x = 2,209,163,224,038.83/1,703,639.76 - Step 6: Final answer
x = 1,296,731.43
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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.