Finding the Fourth Proportional to 1,918,393.36, 2,647,404.66 and 1,058,954.02
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Solution
The fourth proportional to 1,918,393.36, 2,647,404.66 and 1,058,954.02 is: 1,461,368.59
Step by Step Solution
- Step 1: Write the proportion equation
1,918,393.36 : 2,647,404.66 = 1,058,954.02 : x - Step 2: Convert to fraction form
1,918,393.36/2,647,404.66 = 1,058,954.02/x - Step 3: Cross multiply
1,918,393.36x = 2,647,404.66 × 1,058,954.02 - Step 4: Simplify right side
1,918,393.36x = 2,803,479,807,273.73 - Step 5: Solve for x
x = 2,803,479,807,273.73/1,918,393.36 - Step 6: Final answer
x = 1,461,368.59
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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.