Finding the Fourth Proportional to 1,994,985.57, 2,753,097.57 and 1,135,601.07
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Solution
The fourth proportional to 1,994,985.57, 2,753,097.57 and 1,135,601.07 is: 1,567,139.43
Step by Step Solution
- Step 1: Write the proportion equation
1,994,985.57 : 2,753,097.57 = 1,135,601.07 : x - Step 2: Convert to fraction form
1,994,985.57/2,753,097.57 = 1,135,601.07/x - Step 3: Cross multiply
1,994,985.57x = 2,753,097.57 × 1,135,601.07 - Step 4: Simplify right side
1,994,985.57x = 3,126,420,546,306.40 - Step 5: Solve for x
x = 3,126,420,546,306.40/1,994,985.57 - Step 6: Final answer
x = 1,567,139.43
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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.