Finding the Fourth Proportional to 1,613,346.58, 2,420,020.68 and 665,675.74
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Solution
The fourth proportional to 1,613,346.58, 2,420,020.68 and 665,675.74 is: 998,513.94
Step by Step Solution
- Step 1: Write the proportion equation
1,613,346.58 : 2,420,020.68 = 665,675.74 : x - Step 2: Convert to fraction form
1,613,346.58/2,420,020.68 = 665,675.74/x - Step 3: Cross multiply
1,613,346.58x = 2,420,020.68 × 665,675.74 - Step 4: Simplify right side
1,613,346.58x = 1,610,949,056,974.30 - Step 5: Solve for x
x = 1,610,949,056,974.30/1,613,346.58 - Step 6: Final answer
x = 998,513.94
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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.