Finding the Fourth Proportional to 4,028,457.75, 5,559,271.70 and 2,217,621.75
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Solution
The fourth proportional to 4,028,457.75, 5,559,271.70 and 2,217,621.75 is: 3,060,318.02
Step by Step Solution
- Step 1: Write the proportion equation
4,028,457.75 : 5,559,271.70 = 2,217,621.75 : x - Step 2: Convert to fraction form
4,028,457.75/5,559,271.70 = 2,217,621.75/x - Step 3: Cross multiply
4,028,457.75x = 5,559,271.70 × 2,217,621.75 - Step 4: Simplify right side
4,028,457.75x = 12,328,361,824,991.37 - Step 5: Solve for x
x = 12,328,361,824,991.37/4,028,457.75 - Step 6: Final answer
x = 3,060,318.02
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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.