Finding the Fourth Proportional to 2,809,933.14, 4,214,425.05 and 787,713.06
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Solution
The fourth proportional to 2,809,933.14, 4,214,425.05 and 787,713.06 is: 1,181,436.53
Step by Step Solution
- Step 1: Write the proportion equation
2,809,933.14 : 4,214,425.05 = 787,713.06 : x - Step 2: Convert to fraction form
2,809,933.14/4,214,425.05 = 787,713.06/x - Step 3: Cross multiply
2,809,933.14x = 4,214,425.05 × 787,713.06 - Step 4: Simplify right side
2,809,933.14x = 3,319,757,652,276.15 - Step 5: Solve for x
x = 3,319,757,652,276.15/2,809,933.14 - Step 6: Final answer
x = 1,181,436.53
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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.