Finding the Fourth Proportional to 1,539,660.15, 2,124,644.99 and 851,292.18
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Solution
The fourth proportional to 1,539,660.15, 2,124,644.99 and 851,292.18 is: 1,174,735.65
Step by Step Solution
- Step 1: Write the proportion equation
1,539,660.15 : 2,124,644.99 = 851,292.18 : x - Step 2: Convert to fraction form
1,539,660.15/2,124,644.99 = 851,292.18/x - Step 3: Cross multiply
1,539,660.15x = 2,124,644.99 × 851,292.18 - Step 4: Simplify right side
1,539,660.15x = 1,808,693,661,006.72 - Step 5: Solve for x
x = 1,808,693,661,006.72/1,539,660.15 - Step 6: Final answer
x = 1,174,735.65
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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.