Finding the Fourth Proportional to 1,475,336.99, 2,035,962.69 and 830,761.79
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Solution
The fourth proportional to 1,475,336.99, 2,035,962.69 and 830,761.79 is: 1,146,449.95
Step by Step Solution
- Step 1: Write the proportion equation
1,475,336.99 : 2,035,962.69 = 830,761.79 : x - Step 2: Convert to fraction form
1,475,336.99/2,035,962.69 = 830,761.79/x - Step 3: Cross multiply
1,475,336.99x = 2,035,962.69 × 830,761.79 - Step 4: Simplify right side
1,475,336.99x = 1,691,400,017,273.92 - Step 5: Solve for x
x = 1,691,400,017,273.92/1,475,336.99 - Step 6: Final answer
x = 1,146,449.95
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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.