Finding the Fourth Proportional to 1,866,960.80, 2,793,442.80 and 1,237,104.80
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Solution
The fourth proportional to 1,866,960.80, 2,793,442.80 and 1,237,104.80 is: 1,851,019.85
Step by Step Solution
- Step 1: Write the proportion equation
1,866,960.80 : 2,793,442.80 = 1,237,104.80 : x - Step 2: Convert to fraction form
1,866,960.80/2,793,442.80 = 1,237,104.80/x - Step 3: Cross multiply
1,866,960.80x = 2,793,442.80 × 1,237,104.80 - Step 4: Simplify right side
1,866,960.80x = 3,455,781,496,405.44 - Step 5: Solve for x
x = 3,455,781,496,405.44/1,866,960.80 - Step 6: Final answer
x = 1,851,019.85
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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.