Finding the Fourth Proportional to 1,610,740.98, 2,222,765.74 and 885,583.12
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Solution
The fourth proportional to 1,610,740.98, 2,222,765.74 and 885,583.12 is: 1,222,073.47
Step by Step Solution
- Step 1: Write the proportion equation
1,610,740.98 : 2,222,765.74 = 885,583.12 : x - Step 2: Convert to fraction form
1,610,740.98/2,222,765.74 = 885,583.12/x - Step 3: Cross multiply
1,610,740.98x = 2,222,765.74 × 885,583.12 - Step 4: Simplify right side
1,610,740.98x = 1,968,443,819,058.31 - Step 5: Solve for x
x = 1,968,443,819,058.31/1,610,740.98 - Step 6: Final answer
x = 1,222,073.47
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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.