Finding the Fourth Proportional to 3,407,886.42, 5,107,140.74 and 1,460,283.54
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Solution
The fourth proportional to 3,407,886.42, 5,107,140.74 and 1,460,283.54 is: 2,188,416.11
Step by Step Solution
- Step 1: Write the proportion equation
3,407,886.42 : 5,107,140.74 = 1,460,283.54 : x - Step 2: Convert to fraction form
3,407,886.42/5,107,140.74 = 1,460,283.54/x - Step 3: Cross multiply
3,407,886.42x = 5,107,140.74 × 1,460,283.54 - Step 4: Simplify right side
3,407,886.42x = 7,457,873,559,085.42 - Step 5: Solve for x
x = 7,457,873,559,085.42/3,407,886.42 - Step 6: Final answer
x = 2,188,416.11
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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.