Finding the Fourth Proportional to 1,513,577.12, 2,265,729.12 and 980,036.60
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Solution
The fourth proportional to 1,513,577.12, 2,265,729.12 and 980,036.60 is: 1,467,052.74
Step by Step Solution
- Step 1: Write the proportion equation
1,513,577.12 : 2,265,729.12 = 980,036.60 : x - Step 2: Convert to fraction form
1,513,577.12/2,265,729.12 = 980,036.60/x - Step 3: Cross multiply
1,513,577.12x = 2,265,729.12 × 980,036.60 - Step 4: Simplify right side
1,513,577.12x = 2,220,497,463,285.79 - Step 5: Solve for x
x = 2,220,497,463,285.79/1,513,577.12 - Step 6: Final answer
x = 1,467,052.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.