Finding the Fourth Proportional to 4,186,357.40, 6,281,285.70 and 1,347,339.80
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Solution
The fourth proportional to 4,186,357.40, 6,281,285.70 and 1,347,339.80 is: 2,021,572.79
Step by Step Solution
- Step 1: Write the proportion equation
4,186,357.40 : 6,281,285.70 = 1,347,339.80 : x - Step 2: Convert to fraction form
4,186,357.40/6,281,285.70 = 1,347,339.80/x - Step 3: Cross multiply
4,186,357.40x = 6,281,285.70 × 1,347,339.80 - Step 4: Simplify right side
4,186,357.40x = 8,463,026,218,780.86 - Step 5: Solve for x
x = 8,463,026,218,780.86/4,186,357.40 - Step 6: Final answer
x = 2,021,572.79
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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.