Finding the Fourth Proportional to 1,409,691.40, 2,113,147.08 and 902,812.84
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Solution
The fourth proportional to 1,409,691.40, 2,113,147.08 and 902,812.84 is: 1,353,329.05
Step by Step Solution
- Step 1: Write the proportion equation
1,409,691.40 : 2,113,147.08 = 902,812.84 : x - Step 2: Convert to fraction form
1,409,691.40/2,113,147.08 = 902,812.84/x - Step 3: Cross multiply
1,409,691.40x = 2,113,147.08 × 902,812.84 - Step 4: Simplify right side
1,409,691.40x = 1,907,776,316,632.51 - Step 5: Solve for x
x = 1,907,776,316,632.51/1,409,691.40 - Step 6: Final answer
x = 1,353,329.05
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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.