Finding the Fourth Proportional to 1,915,610.84, 2,640,796.21 and 1,507,002.99
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Solution
The fourth proportional to 1,915,610.84, 2,640,796.21 and 1,507,002.99 is: 2,077,503.27
Step by Step Solution
- Step 1: Write the proportion equation
1,915,610.84 : 2,640,796.21 = 1,507,002.99 : x - Step 2: Convert to fraction form
1,915,610.84/2,640,796.21 = 1,507,002.99/x - Step 3: Cross multiply
1,915,610.84x = 2,640,796.21 × 1,507,002.99 - Step 4: Simplify right side
1,915,610.84x = 3,979,687,784,450.67 - Step 5: Solve for x
x = 3,979,687,784,450.67/1,915,610.84 - Step 6: Final answer
x = 2,077,503.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.