Finding the Fourth Proportional to 1,420,070.16, 2,130,404.53 and 460,450.97
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Solution
The fourth proportional to 1,420,070.16, 2,130,404.53 and 460,450.97 is: 690,773.50
Step by Step Solution
- Step 1: Write the proportion equation
1,420,070.16 : 2,130,404.53 = 460,450.97 : x - Step 2: Convert to fraction form
1,420,070.16/2,130,404.53 = 460,450.97/x - Step 3: Cross multiply
1,420,070.16x = 2,130,404.53 × 460,450.97 - Step 4: Simplify right side
1,420,070.16x = 980,946,832,330.89 - Step 5: Solve for x
x = 980,946,832,330.89/1,420,070.16 - Step 6: Final answer
x = 690,773.50
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1.5x scale
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.