Finding the Fourth Proportional to 2,151,580.84, 2,969,246.88 and 1,184,745.73
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Solution
The fourth proportional to 2,151,580.84, 2,969,246.88 and 1,184,745.73 is: 1,634,985.08
Step by Step Solution
- Step 1: Write the proportion equation
2,151,580.84 : 2,969,246.88 = 1,184,745.73 : x - Step 2: Convert to fraction form
2,151,580.84/2,969,246.88 = 1,184,745.73/x - Step 3: Cross multiply
2,151,580.84x = 2,969,246.88 × 1,184,745.73 - Step 4: Simplify right side
2,151,580.84x = 3,517,802,562,395.82 - Step 5: Solve for x
x = 3,517,802,562,395.82/2,151,580.84 - Step 6: Final answer
x = 1,634,985.08
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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.