Finding the Fourth Proportional to 2,742,690.99, 4,116,690.05 and 1,323,745.95
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Solution
The fourth proportional to 2,742,690.99, 4,116,690.05 and 1,323,745.95 is: 1,986,899.65
Step by Step Solution
- Step 1: Write the proportion equation
2,742,690.99 : 4,116,690.05 = 1,323,745.95 : x - Step 2: Convert to fraction form
2,742,690.99/4,116,690.05 = 1,323,745.95/x - Step 3: Cross multiply
2,742,690.99x = 4,116,690.05 × 1,323,745.95 - Step 4: Simplify right side
2,742,690.99x = 5,449,451,774,474.07 - Step 5: Solve for x
x = 5,449,451,774,474.07/2,742,690.99 - Step 6: Final answer
x = 1,986,899.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.