Finding the Fourth Proportional to 2,113,803.84, 3,171,036.24 and 693,536.88
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Solution
The fourth proportional to 2,113,803.84, 3,171,036.24 and 693,536.88 is: 1,040,413.75
Step by Step Solution
- Step 1: Write the proportion equation
2,113,803.84 : 3,171,036.24 = 693,536.88 : x - Step 2: Convert to fraction form
2,113,803.84/3,171,036.24 = 693,536.88/x - Step 3: Cross multiply
2,113,803.84x = 3,171,036.24 × 693,536.88 - Step 4: Simplify right side
2,113,803.84x = 2,199,230,580,256.53 - Step 5: Solve for x
x = 2,199,230,580,256.53/2,113,803.84 - Step 6: Final answer
x = 1,040,413.75
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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.