Finding the Fourth Proportional to 2,028,405.60, 2,799,113.10 and 1,110,618.06
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Solution
The fourth proportional to 2,028,405.60, 2,799,113.10 and 1,110,618.06 is: 1,532,605.49
Step by Step Solution
- Step 1: Write the proportion equation
2,028,405.60 : 2,799,113.10 = 1,110,618.06 : x - Step 2: Convert to fraction form
2,028,405.60/2,799,113.10 = 1,110,618.06/x - Step 3: Cross multiply
2,028,405.60x = 2,799,113.10 × 1,110,618.06 - Step 4: Simplify right side
2,028,405.60x = 3,108,745,560,842.59 - Step 5: Solve for x
x = 3,108,745,560,842.59/2,028,405.60 - Step 6: Final answer
x = 1,532,605.49
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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.