Finding the Fourth Proportional to 1,563,113.68, 2,157,096.87 and 847,721.68
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Solution
The fourth proportional to 1,563,113.68, 2,157,096.87 and 847,721.68 is: 1,169,855.91
Step by Step Solution
- Step 1: Write the proportion equation
1,563,113.68 : 2,157,096.87 = 847,721.68 : x - Step 2: Convert to fraction form
1,563,113.68/2,157,096.87 = 847,721.68/x - Step 3: Cross multiply
1,563,113.68x = 2,157,096.87 × 847,721.68 - Step 4: Simplify right side
1,563,113.68x = 1,828,617,777,166.40 - Step 5: Solve for x
x = 1,828,617,777,166.40/1,563,113.68 - Step 6: Final answer
x = 1,169,855.91
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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.