Finding the Fourth Proportional to 1,872,246.42, 2,583,692.28 and 1,012,804.56
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Solution
The fourth proportional to 1,872,246.42, 2,583,692.28 and 1,012,804.56 is: 1,397,666.08
Step by Step Solution
- Step 1: Write the proportion equation
1,872,246.42 : 2,583,692.28 = 1,012,804.56 : x - Step 2: Convert to fraction form
1,872,246.42/2,583,692.28 = 1,012,804.56/x - Step 3: Cross multiply
1,872,246.42x = 2,583,692.28 × 1,012,804.56 - Step 4: Simplify right side
1,872,246.42x = 2,616,775,322,820.80 - Step 5: Solve for x
x = 2,616,775,322,820.80/1,872,246.42 - Step 6: Final answer
x = 1,397,666.08
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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.