Finding the Fourth Proportional to 3,859,297.65, 5,326,157.84 and 2,140,971.75
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Solution
The fourth proportional to 3,859,297.65, 5,326,157.84 and 2,140,971.75 is: 2,954,722.46
Step by Step Solution
- Step 1: Write the proportion equation
3,859,297.65 : 5,326,157.84 = 2,140,971.75 : x - Step 2: Convert to fraction form
3,859,297.65/5,326,157.84 = 2,140,971.75/x - Step 3: Cross multiply
3,859,297.65x = 5,326,157.84 × 2,140,971.75 - Step 4: Simplify right side
3,859,297.65x = 11,403,153,460,776.16 - Step 5: Solve for x
x = 11,403,153,460,776.16/3,859,297.65 - Step 6: Final answer
x = 2,954,722.46
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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.