Finding the Fourth Proportional to 1,754,403.40, 2,629,563.90 and 807,869.80
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Solution
The fourth proportional to 1,754,403.40, 2,629,563.90 and 807,869.80 is: 1,210,864.77
Step by Step Solution
- Step 1: Write the proportion equation
1,754,403.40 : 2,629,563.90 = 807,869.80 : x - Step 2: Convert to fraction form
1,754,403.40/2,629,563.90 = 807,869.80/x - Step 3: Cross multiply
1,754,403.40x = 2,629,563.90 × 807,869.80 - Step 4: Simplify right side
1,754,403.40x = 2,124,345,261,980.22 - Step 5: Solve for x
x = 2,124,345,261,980.22/1,754,403.40 - Step 6: Final answer
x = 1,210,864.77
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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.