Finding the Fourth Proportional to 1,818,866.58, 2,727,549.19 and 620,885.49
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Solution
The fourth proportional to 1,818,866.58, 2,727,549.19 and 620,885.49 is: 931,071.98
Step by Step Solution
- Step 1: Write the proportion equation
1,818,866.58 : 2,727,549.19 = 620,885.49 : x - Step 2: Convert to fraction form
1,818,866.58/2,727,549.19 = 620,885.49/x - Step 3: Cross multiply
1,818,866.58x = 2,727,549.19 × 620,885.49 - Step 4: Simplify right side
1,818,866.58x = 1,693,495,715,332.25 - Step 5: Solve for x
x = 1,693,495,715,332.25/1,818,866.58 - Step 6: Final answer
x = 931,071.98
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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.