Finding the Fourth Proportional to 1,575,678.96, 2,174,218.20 and 887,235.12
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Solution
The fourth proportional to 1,575,678.96, 2,174,218.20 and 887,235.12 is: 1,224,261.28
Step by Step Solution
- Step 1: Write the proportion equation
1,575,678.96 : 2,174,218.20 = 887,235.12 : x - Step 2: Convert to fraction form
1,575,678.96/2,174,218.20 = 887,235.12/x - Step 3: Cross multiply
1,575,678.96x = 2,174,218.20 × 887,235.12 - Step 4: Simplify right side
1,575,678.96x = 1,929,042,745,583.18 - Step 5: Solve for x
x = 1,929,042,745,583.18/1,575,678.96 - Step 6: Final answer
x = 1,224,261.28
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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.