Finding the Fourth Proportional to 1,563,117.99, 2,157,102.83 and 847,725.99
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Solution
The fourth proportional to 1,563,117.99, 2,157,102.83 and 847,725.99 is: 1,169,861.87
Step by Step Solution
- Step 1: Write the proportion equation
1,563,117.99 : 2,157,102.83 = 847,725.99 : x - Step 2: Convert to fraction form
1,563,117.99/2,157,102.83 = 847,725.99/x - Step 3: Cross multiply
1,563,117.99x = 2,157,102.83 × 847,725.99 - Step 4: Simplify right side
1,563,117.99x = 1,828,632,127,854.92 - Step 5: Solve for x
x = 1,828,632,127,854.92/1,563,117.99 - Step 6: Final answer
x = 1,169,861.87
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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.