Finding the Fourth Proportional to 4,740,643.08, 6,535,911.06 and 3,021,136.20
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Solution
The fourth proportional to 4,740,643.08, 6,535,911.06 and 3,021,136.20 is: 4,165,231.84
Step by Step Solution
- Step 1: Write the proportion equation
4,740,643.08 : 6,535,911.06 = 3,021,136.20 : x - Step 2: Convert to fraction form
4,740,643.08/6,535,911.06 = 3,021,136.20/x - Step 3: Cross multiply
4,740,643.08x = 6,535,911.06 × 3,021,136.20 - Step 4: Simplify right side
4,740,643.08x = 19,745,877,503,346.37 - Step 5: Solve for x
x = 19,745,877,503,346.37/4,740,643.08 - Step 6: Final answer
x = 4,165,231.84
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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.