Finding the Fourth Proportional to 4,704,351.63, 7,056,904.65 and 1,787,841.70
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Solution
The fourth proportional to 4,704,351.63, 7,056,904.65 and 1,787,841.70 is: 2,681,905.90
Step by Step Solution
- Step 1: Write the proportion equation
4,704,351.63 : 7,056,904.65 = 1,787,841.70 : x - Step 2: Convert to fraction form
4,704,351.63/7,056,904.65 = 1,787,841.70/x - Step 3: Cross multiply
4,704,351.63x = 7,056,904.65 × 1,787,841.70 - Step 4: Simplify right side
4,704,351.63x = 12,616,628,388,551.64 - Step 5: Solve for x
x = 12,616,628,388,551.64/4,704,351.63 - Step 6: Final answer
x = 2,681,905.90
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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.