Finding the Fourth Proportional to 4,157,276.40, 6,235,914.60 and 2,787,339.60
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Solution
The fourth proportional to 4,157,276.40, 6,235,914.60 and 2,787,339.60 is: 4,181,009.40
Step by Step Solution
- Step 1: Write the proportion equation
4,157,276.40 : 6,235,914.60 = 2,787,339.60 : x - Step 2: Convert to fraction form
4,157,276.40/6,235,914.60 = 2,787,339.60/x - Step 3: Cross multiply
4,157,276.40x = 6,235,914.60 × 2,787,339.60 - Step 4: Simplify right side
4,157,276.40x = 17,381,611,706,798.16 - Step 5: Solve for x
x = 17,381,611,706,798.16/4,157,276.40 - Step 6: Final answer
x = 4,181,009.40
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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.