Finding the Fourth Proportional to 1,326,839.09, 1,989,690.02 and 616,793.09
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Solution
The fourth proportional to 1,326,839.09, 1,989,690.02 and 616,793.09 is: 924,925.31
Step by Step Solution
- Step 1: Write the proportion equation
1,326,839.09 : 1,989,690.02 = 616,793.09 : x - Step 2: Convert to fraction form
1,326,839.09/1,989,690.02 = 616,793.09/x - Step 3: Cross multiply
1,326,839.09x = 1,989,690.02 × 616,793.09 - Step 4: Simplify right side
1,326,839.09x = 1,227,227,052,494.00 - Step 5: Solve for x
x = 1,227,227,052,494.00/1,326,839.09 - Step 6: Final answer
x = 924,925.31
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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.