Finding the Fourth Proportional to 3,619,134.07, 4,994,386.91 and 1,965,266.45
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Solution
The fourth proportional to 3,619,134.07, 4,994,386.91 and 1,965,266.45 is: 2,712,057.87
Step by Step Solution
- Step 1: Write the proportion equation
3,619,134.07 : 4,994,386.91 = 1,965,266.45 : x - Step 2: Convert to fraction form
3,619,134.07/4,994,386.91 = 1,965,266.45/x - Step 3: Cross multiply
3,619,134.07x = 4,994,386.91 × 1,965,266.45 - Step 4: Simplify right side
3,619,134.07x = 9,815,301,034,897.23 - Step 5: Solve for x
x = 9,815,301,034,897.23/3,619,134.07 - Step 6: Final answer
x = 2,712,057.87
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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.