Finding the Fourth Proportional to 2,276,400.58, 3,141,394.85 and 1,243,885.68
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Solution
The fourth proportional to 2,276,400.58, 3,141,394.85 and 1,243,885.68 is: 1,716,541.50
Step by Step Solution
- Step 1: Write the proportion equation
2,276,400.58 : 3,141,394.85 = 1,243,885.68 : x - Step 2: Convert to fraction form
2,276,400.58/3,141,394.85 = 1,243,885.68/x - Step 3: Cross multiply
2,276,400.58x = 3,141,394.85 × 1,243,885.68 - Step 4: Simplify right side
2,276,400.58x = 3,907,536,072,250.46 - Step 5: Solve for x
x = 3,907,536,072,250.46/2,276,400.58 - Step 6: Final answer
x = 1,716,541.50
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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.