Finding the Fourth Proportional to 5,037,865.58, 7,557,871.82 and 1,626,346.06
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Solution
The fourth proportional to 5,037,865.58, 7,557,871.82 and 1,626,346.06 is: 2,439,865.63
Step by Step Solution
- Step 1: Write the proportion equation
5,037,865.58 : 7,557,871.82 = 1,626,346.06 : x - Step 2: Convert to fraction form
5,037,865.58/7,557,871.82 = 1,626,346.06/x - Step 3: Cross multiply
5,037,865.58x = 7,557,871.82 × 1,626,346.06 - Step 4: Simplify right side
5,037,865.58x = 12,291,715,056,442.03 - Step 5: Solve for x
x = 12,291,715,056,442.03/5,037,865.58 - Step 6: Final answer
x = 2,439,865.63
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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.