Finding the Fourth Proportional to 3,042,779.70, 4,199,317.68 and 1,684,652.70
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Solution
The fourth proportional to 3,042,779.70, 4,199,317.68 and 1,684,652.70 is: 2,324,976.69
Step by Step Solution
- Step 1: Write the proportion equation
3,042,779.70 : 4,199,317.68 = 1,684,652.70 : x - Step 2: Convert to fraction form
3,042,779.70/4,199,317.68 = 1,684,652.70/x - Step 3: Cross multiply
3,042,779.70x = 4,199,317.68 × 1,684,652.70 - Step 4: Simplify right side
3,042,779.70x = 7,074,391,867,769.74 - Step 5: Solve for x
x = 7,074,391,867,769.74/3,042,779.70 - Step 6: Final answer
x = 2,324,976.69
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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.