Finding the Fourth Proportional to 2,849,862.76, 3,932,823.18 and 1,560,712.12
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Solution
The fourth proportional to 2,849,862.76, 3,932,823.18 and 1,560,712.12 is: 2,153,789.61
Step by Step Solution
- Step 1: Write the proportion equation
2,849,862.76 : 3,932,823.18 = 1,560,712.12 : x - Step 2: Convert to fraction form
2,849,862.76/3,932,823.18 = 1,560,712.12/x - Step 3: Cross multiply
2,849,862.76x = 3,932,823.18 × 1,560,712.12 - Step 4: Simplify right side
2,849,862.76x = 6,138,004,802,842.94 - Step 5: Solve for x
x = 6,138,004,802,842.94/2,849,862.76 - Step 6: Final answer
x = 2,153,789.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.