Finding the Fourth Proportional to 2,051,260.40, 2,830,697.88 and 1,246,703.60
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Solution
The fourth proportional to 2,051,260.40, 2,830,697.88 and 1,246,703.60 is: 1,720,425.76
Step by Step Solution
- Step 1: Write the proportion equation
2,051,260.40 : 2,830,697.88 = 1,246,703.60 : x - Step 2: Convert to fraction form
2,051,260.40/2,830,697.88 = 1,246,703.60/x - Step 3: Cross multiply
2,051,260.40x = 2,830,697.88 × 1,246,703.60 - Step 4: Simplify right side
2,051,260.40x = 3,529,041,237,508.37 - Step 5: Solve for x
x = 3,529,041,237,508.37/2,051,260.40 - Step 6: Final answer
x = 1,720,425.76
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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.