Finding the Fourth Proportional to 4,185,141.40, 6,279,461.70 and 1,346,123.80
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Solution
The fourth proportional to 4,185,141.40, 6,279,461.70 and 1,346,123.80 is: 2,019,748.45
Step by Step Solution
- Step 1: Write the proportion equation
4,185,141.40 : 6,279,461.70 = 1,346,123.80 : x - Step 2: Convert to fraction form
4,185,141.40/6,279,461.70 = 1,346,123.80/x - Step 3: Cross multiply
4,185,141.40x = 6,279,461.70 × 1,346,123.80 - Step 4: Simplify right side
4,185,141.40x = 8,452,932,845,558.46 - Step 5: Solve for x
x = 8,452,932,845,558.46/4,185,141.40 - Step 6: Final answer
x = 2,019,748.45
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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.