Finding the Fourth Proportional to 1,975,021.63, 2,725,751.50 and 1,115,637.23
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Solution
The fourth proportional to 1,975,021.63, 2,725,751.50 and 1,115,637.23 is: 1,539,704.59
Step by Step Solution
- Step 1: Write the proportion equation
1,975,021.63 : 2,725,751.50 = 1,115,637.23 : x - Step 2: Convert to fraction form
1,975,021.63/2,725,751.50 = 1,115,637.23/x - Step 3: Cross multiply
1,975,021.63x = 2,725,751.50 × 1,115,637.23 - Step 4: Simplify right side
1,975,021.63x = 3,040,949,857,153.63 - Step 5: Solve for x
x = 3,040,949,857,153.63/1,975,021.63 - Step 6: Final answer
x = 1,539,704.59
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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.