Finding the Fourth Proportional to 1,490,819.58, 2,056,790.68 and 845,866.19
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Solution
The fourth proportional to 1,490,819.58, 2,056,790.68 and 845,866.19 is: 1,166,988.76
Step by Step Solution
- Step 1: Write the proportion equation
1,490,819.58 : 2,056,790.68 = 845,866.19 : x - Step 2: Convert to fraction form
1,490,819.58/2,056,790.68 = 845,866.19/x - Step 3: Cross multiply
1,490,819.58x = 2,056,790.68 × 845,866.19 - Step 4: Simplify right side
1,490,819.58x = 1,739,769,699,146.42 - Step 5: Solve for x
x = 1,739,769,699,146.42/1,490,819.58 - Step 6: Final answer
x = 1,166,988.76
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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.