Finding the Fourth Proportional to 1,513,311.69, 2,088,265.48 and 851,122.71
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Solution
The fourth proportional to 1,513,311.69, 2,088,265.48 and 851,122.71 is: 1,174,490.48
Step by Step Solution
- Step 1: Write the proportion equation
1,513,311.69 : 2,088,265.48 = 851,122.71 : x - Step 2: Convert to fraction form
1,513,311.69/2,088,265.48 = 851,122.71/x - Step 3: Cross multiply
1,513,311.69x = 2,088,265.48 × 851,122.71 - Step 4: Simplify right side
1,513,311.69x = 1,777,370,174,537.05 - Step 5: Solve for x
x = 1,777,370,174,537.05/1,513,311.69 - Step 6: Final answer
x = 1,174,490.48
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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.