Finding the Fourth Proportional to 5,048,493.76, 6,966,930.18 and 2,756,605.60
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Solution
The fourth proportional to 5,048,493.76, 6,966,930.18 and 2,756,605.60 is: 3,804,120.53
Step by Step Solution
- Step 1: Write the proportion equation
5,048,493.76 : 6,966,930.18 = 2,756,605.60 : x - Step 2: Convert to fraction form
5,048,493.76/6,966,930.18 = 2,756,605.60/x - Step 3: Cross multiply
5,048,493.76x = 6,966,930.18 × 2,756,605.60 - Step 4: Simplify right side
5,048,493.76x = 19,205,078,748,997.01 - Step 5: Solve for x
x = 19,205,078,748,997.01/5,048,493.76 - Step 6: Final answer
x = 3,804,120.53
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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.