Finding the Fourth Proportional to 2,684,259.03, 3,704,430.74 and 1,538,530.23
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Solution
The fourth proportional to 2,684,259.03, 3,704,430.74 and 1,538,530.23 is: 2,123,259.57
Step by Step Solution
- Step 1: Write the proportion equation
2,684,259.03 : 3,704,430.74 = 1,538,530.23 : x - Step 2: Convert to fraction form
2,684,259.03/3,704,430.74 = 1,538,530.23/x - Step 3: Cross multiply
2,684,259.03x = 3,704,430.74 × 1,538,530.23 - Step 4: Simplify right side
2,684,259.03x = 5,699,378,670,738.62 - Step 5: Solve for x
x = 5,699,378,670,738.62/2,684,259.03 - Step 6: Final answer
x = 2,123,259.57
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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.