Finding the Fourth Proportional to 2,182,566.57, 3,011,711.49 and 1,265,083.53
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Solution
The fourth proportional to 2,182,566.57, 3,011,711.49 and 1,265,083.53 is: 1,745,681.74
Step by Step Solution
- Step 1: Write the proportion equation
2,182,566.57 : 3,011,711.49 = 1,265,083.53 : x - Step 2: Convert to fraction form
2,182,566.57/3,011,711.49 = 1,265,083.53/x - Step 3: Cross multiply
2,182,566.57x = 3,011,711.49 × 1,265,083.53 - Step 4: Simplify right side
2,182,566.57x = 3,810,066,603,110.76 - Step 5: Solve for x
x = 3,810,066,603,110.76/2,182,566.57 - Step 6: Final answer
x = 1,745,681.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.