Finding the Fourth Proportional to 1,820,256.02, 2,512,452.99 and 1,056,555.62
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Solution
The fourth proportional to 1,820,256.02, 2,512,452.99 and 1,056,555.62 is: 1,458,336.79
Step by Step Solution
- Step 1: Write the proportion equation
1,820,256.02 : 2,512,452.99 = 1,056,555.62 : x - Step 2: Convert to fraction form
1,820,256.02/2,512,452.99 = 1,056,555.62/x - Step 3: Cross multiply
1,820,256.02x = 2,512,452.99 × 1,056,555.62 - Step 4: Simplify right side
1,820,256.02x = 2,654,546,326,570.30 - Step 5: Solve for x
x = 2,654,546,326,570.30/1,820,256.02 - Step 6: Final answer
x = 1,458,336.79
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1.5x scale
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.