Finding the Fourth Proportional to 4,734,248.60, 7,101,372.90 and 1,742,043.80
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Solution
The fourth proportional to 4,734,248.60, 7,101,372.90 and 1,742,043.80 is: 2,613,065.70
Step by Step Solution
- Step 1: Write the proportion equation
4,734,248.60 : 7,101,372.90 = 1,742,043.80 : x - Step 2: Convert to fraction form
4,734,248.60/7,101,372.90 = 1,742,043.80/x - Step 3: Cross multiply
4,734,248.60x = 7,101,372.90 × 1,742,043.80 - Step 4: Simplify right side
4,734,248.60x = 12,370,902,631,933.02 - Step 5: Solve for x
x = 12,370,902,631,933.02/4,734,248.60 - Step 6: Final answer
x = 2,613,065.70
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1.5x scale
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.