Finding the Fourth Proportional to 4,455,370.48, 6,148,246.80 and 2,418,136.24
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Solution
The fourth proportional to 4,455,370.48, 6,148,246.80 and 2,418,136.24 is: 3,336,938.75
Step by Step Solution
- Step 1: Write the proportion equation
4,455,370.48 : 6,148,246.80 = 2,418,136.24 : x - Step 2: Convert to fraction form
4,455,370.48/6,148,246.80 = 2,418,136.24/x - Step 3: Cross multiply
4,455,370.48x = 6,148,246.80 × 2,418,136.24 - Step 4: Simplify right side
4,455,370.48x = 14,867,298,399,544.03 - Step 5: Solve for x
x = 14,867,298,399,544.03/4,455,370.48 - Step 6: Final answer
x = 3,336,938.75
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Double scale
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1.5x scale
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.