Finding the Fourth Proportional to 4,851,761.68, 7,278,513.99 and 1,656,140.50
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Solution
The fourth proportional to 4,851,761.68, 7,278,513.99 and 1,656,140.50 is: 2,484,508.22
Step by Step Solution
- Step 1: Write the proportion equation
4,851,761.68 : 7,278,513.99 = 1,656,140.50 : x - Step 2: Convert to fraction form
4,851,761.68/7,278,513.99 = 1,656,140.50/x - Step 3: Cross multiply
4,851,761.68x = 7,278,513.99 × 1,656,140.50 - Step 4: Simplify right side
4,851,761.68x = 12,054,241,798,655.60 - Step 5: Solve for x
x = 12,054,241,798,655.60/4,851,761.68 - Step 6: Final answer
x = 2,484,508.22
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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.