Finding the Fourth Proportional to 1,295,422.20, 1,943,133.30 and 1,245,655.80
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Solution
The fourth proportional to 1,295,422.20, 1,943,133.30 and 1,245,655.80 is: 1,868,483.70
Step by Step Solution
- Step 1: Write the proportion equation
1,295,422.20 : 1,943,133.30 = 1,245,655.80 : x - Step 2: Convert to fraction form
1,295,422.20/1,943,133.30 = 1,245,655.80/x - Step 3: Cross multiply
1,295,422.20x = 1,943,133.30 × 1,245,655.80 - Step 4: Simplify right side
1,295,422.20x = 2,420,475,265,318.14 - Step 5: Solve for x
x = 2,420,475,265,318.14/1,295,422.20 - Step 6: Final answer
x = 1,868,483.70
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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.