Finding the Fourth Proportional to 1,389,052.60, 2,083,809.30 and 547,631.80
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Solution
The fourth proportional to 1,389,052.60, 2,083,809.30 and 547,631.80 is: 821,538.53
Step by Step Solution
- Step 1: Write the proportion equation
1,389,052.60 : 2,083,809.30 = 547,631.80 : x - Step 2: Convert to fraction form
1,389,052.60/2,083,809.30 = 547,631.80/x - Step 3: Cross multiply
1,389,052.60x = 2,083,809.30 × 547,631.80 - Step 4: Simplify right side
1,389,052.60x = 1,141,160,237,815.74 - Step 5: Solve for x
x = 1,141,160,237,815.74/1,389,052.60 - Step 6: Final answer
x = 821,538.53
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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.