Finding the Fourth Proportional to 1,918,351.08, 2,647,324.62 and 1,058,911.56
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Solution
The fourth proportional to 1,918,351.08, 2,647,324.62 and 1,058,911.56 is: 1,461,298.02
Step by Step Solution
- Step 1: Write the proportion equation
1,918,351.08 : 2,647,324.62 = 1,058,911.56 : x - Step 2: Convert to fraction form
1,918,351.08/2,647,324.62 = 1,058,911.56/x - Step 3: Cross multiply
1,918,351.08x = 2,647,324.62 × 1,058,911.56 - Step 4: Simplify right side
1,918,351.08x = 2,803,282,643,190.61 - Step 5: Solve for x
x = 2,803,282,643,190.61/1,918,351.08 - Step 6: Final answer
x = 1,461,298.02
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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.