Finding the Fourth Proportional to 2,746,888.40, 4,119,943.80 and 853,821.20
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Solution
The fourth proportional to 2,746,888.40, 4,119,943.80 and 853,821.20 is: 1,280,610.95
Step by Step Solution
- Step 1: Write the proportion equation
2,746,888.40 : 4,119,943.80 = 853,821.20 : x - Step 2: Convert to fraction form
2,746,888.40/4,119,943.80 = 853,821.20/x - Step 3: Cross multiply
2,746,888.40x = 4,119,943.80 × 853,821.20 - Step 4: Simplify right side
2,746,888.40x = 3,517,695,359,248.56 - Step 5: Solve for x
x = 3,517,695,359,248.56/2,746,888.40 - Step 6: Final answer
x = 1,280,610.95
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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.