Finding the Fourth Proportional to 1,918,268.91, 2,647,211.36 and 1,058,829.48
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Solution
The fourth proportional to 1,918,268.91, 2,647,211.36 and 1,058,829.48 is: 1,461,184.83
Step by Step Solution
- Step 1: Write the proportion equation
1,918,268.91 : 2,647,211.36 = 1,058,829.48 : x - Step 2: Convert to fraction form
1,918,268.91/2,647,211.36 = 1,058,829.48/x - Step 3: Cross multiply
1,918,268.91x = 2,647,211.36 × 1,058,829.48 - Step 4: Simplify right side
1,918,268.91x = 2,802,945,422,464.75 - Step 5: Solve for x
x = 2,802,945,422,464.75/1,918,268.91 - Step 6: Final answer
x = 1,461,184.83
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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.