Finding the Fourth Proportional to 1,918,293.48, 2,647,245.14 and 1,058,853.96
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Solution
The fourth proportional to 1,918,293.48, 2,647,245.14 and 1,058,853.96 is: 1,461,218.54
Step by Step Solution
- Step 1: Write the proportion equation
1,918,293.48 : 2,647,245.14 = 1,058,853.96 : x - Step 2: Convert to fraction form
1,918,293.48/2,647,245.14 = 1,058,853.96/x - Step 3: Cross multiply
1,918,293.48x = 2,647,245.14 × 1,058,853.96 - Step 4: Simplify right side
1,918,293.48x = 2,803,045,999,579.75 - Step 5: Solve for x
x = 2,803,045,999,579.75/1,918,293.48 - Step 6: Final answer
x = 1,461,218.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.