Finding the Fourth Proportional to 1,888,302.12, 2,606,842.20 and 1,473,949.32
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Solution
The fourth proportional to 1,888,302.12, 2,606,842.20 and 1,473,949.32 is: 2,034,819.14
Step by Step Solution
- Step 1: Write the proportion equation
1,888,302.12 : 2,606,842.20 = 1,473,949.32 : x - Step 2: Convert to fraction form
1,888,302.12/2,606,842.20 = 1,473,949.32/x - Step 3: Cross multiply
1,888,302.12x = 2,606,842.20 × 1,473,949.32 - Step 4: Simplify right side
1,888,302.12x = 3,842,353,288,037.31 - Step 5: Solve for x
x = 3,842,353,288,037.31/1,888,302.12 - Step 6: Final answer
x = 2,034,819.14
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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.