Finding the Fourth Proportional to 1,439,030.14, 2,158,169.18 and 427,879.88
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Solution
The fourth proportional to 1,439,030.14, 2,158,169.18 and 427,879.88 is: 641,708.01
Step by Step Solution
- Step 1: Write the proportion equation
1,439,030.14 : 2,158,169.18 = 427,879.88 : x - Step 2: Convert to fraction form
1,439,030.14/2,158,169.18 = 427,879.88/x - Step 3: Cross multiply
1,439,030.14x = 2,158,169.18 × 427,879.88 - Step 4: Simplify right side
1,439,030.14x = 923,437,169,758.10 - Step 5: Solve for x
x = 923,437,169,758.10/1,439,030.14 - Step 6: Final answer
x = 641,708.01
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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.