Finding the Fourth Proportional to 1,400,922.40, 2,102,039.70 and 727,763.80
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Solution
The fourth proportional to 1,400,922.40, 2,102,039.70 and 727,763.80 is: 1,091,986.54
Step by Step Solution
- Step 1: Write the proportion equation
1,400,922.40 : 2,102,039.70 = 727,763.80 : x - Step 2: Convert to fraction form
1,400,922.40/2,102,039.70 = 727,763.80/x - Step 3: Cross multiply
1,400,922.40x = 2,102,039.70 × 727,763.80 - Step 4: Simplify right side
1,400,922.40x = 1,529,788,399,822.86 - Step 5: Solve for x
x = 1,529,788,399,822.86/1,400,922.40 - Step 6: Final answer
x = 1,091,986.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.