Finding the Fourth Proportional to 2,539,761.74, 3,809,663.97 and 646,503.50
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Solution
The fourth proportional to 2,539,761.74, 3,809,663.97 and 646,503.50 is: 969,760.69
Step by Step Solution
- Step 1: Write the proportion equation
2,539,761.74 : 3,809,663.97 = 646,503.50 : x - Step 2: Convert to fraction form
2,539,761.74/3,809,663.97 = 646,503.50/x - Step 3: Cross multiply
2,539,761.74x = 3,809,663.97 × 646,503.50 - Step 4: Simplify right side
2,539,761.74x = 2,462,961,090,428.90 - Step 5: Solve for x
x = 2,462,961,090,428.90/2,539,761.74 - Step 6: Final answer
x = 969,760.69
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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.