Finding the Fourth Proportional to 1,738,490.20, 2,605,661.70 and 727,610.20
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Solution
The fourth proportional to 1,738,490.20, 2,605,661.70 and 727,610.20 is: 1,090,547.44
Step by Step Solution
- Step 1: Write the proportion equation
1,738,490.20 : 2,605,661.70 = 727,610.20 : x - Step 2: Convert to fraction form
1,738,490.20/2,605,661.70 = 727,610.20/x - Step 3: Cross multiply
1,738,490.20x = 2,605,661.70 × 727,610.20 - Step 4: Simplify right side
1,738,490.20x = 1,895,906,030,669.34 - Step 5: Solve for x
x = 1,895,906,030,669.34/1,738,490.20 - Step 6: Final answer
x = 1,090,547.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.