Finding the Fourth Proportional to 3,564,298.30, 5,346,447.45 and 2,147,122.30
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Solution
The fourth proportional to 3,564,298.30, 5,346,447.45 and 2,147,122.30 is: 3,220,683.45
Step by Step Solution
- Step 1: Write the proportion equation
3,564,298.30 : 5,346,447.45 = 2,147,122.30 : x - Step 2: Convert to fraction form
3,564,298.30/5,346,447.45 = 2,147,122.30/x - Step 3: Cross multiply
3,564,298.30x = 5,346,447.45 × 2,147,122.30 - Step 4: Simplify right side
3,564,298.30x = 11,479,476,545,673.13 - Step 5: Solve for x
x = 11,479,476,545,673.13/3,564,298.30 - Step 6: Final answer
x = 3,220,683.45
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Double scale
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Similar ratio
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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.