Finding the Fourth Proportional to 1,955,197.20, 2,935,420.20 and 1,248,358.80
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Solution
The fourth proportional to 1,955,197.20, 2,935,420.20 and 1,248,358.80 is: 1,874,213.83
Step by Step Solution
- Step 1: Write the proportion equation
1,955,197.20 : 2,935,420.20 = 1,248,358.80 : x - Step 2: Convert to fraction form
1,955,197.20/2,935,420.20 = 1,248,358.80/x - Step 3: Cross multiply
1,955,197.20x = 2,935,420.20 × 1,248,358.80 - Step 4: Simplify right side
1,955,197.20x = 3,664,457,638,367.76 - Step 5: Solve for x
x = 3,664,457,638,367.76/1,955,197.20 - Step 6: Final answer
x = 1,874,213.83
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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.