Finding the Fourth Proportional to 1,341,935.40, 2,011,347.90 and 542,821.80
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Solution
The fourth proportional to 1,341,935.40, 2,011,347.90 and 542,821.80 is: 813,603.61
Step by Step Solution
- Step 1: Write the proportion equation
1,341,935.40 : 2,011,347.90 = 542,821.80 : x - Step 2: Convert to fraction form
1,341,935.40/2,011,347.90 = 542,821.80/x - Step 3: Cross multiply
1,341,935.40x = 2,011,347.90 × 542,821.80 - Step 4: Simplify right side
1,341,935.40x = 1,091,803,487,504.22 - Step 5: Solve for x
x = 1,091,803,487,504.22/1,341,935.40 - Step 6: Final answer
x = 813,603.61
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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.