Finding the Fourth Proportional to 5,191,263.44, 7,163,868.36 and 2,899,457.36
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Solution
The fourth proportional to 5,191,263.44, 7,163,868.36 and 2,899,457.36 is: 4,001,209.16
Step by Step Solution
- Step 1: Write the proportion equation
5,191,263.44 : 7,163,868.36 = 2,899,457.36 : x - Step 2: Convert to fraction form
5,191,263.44/7,163,868.36 = 2,899,457.36/x - Step 3: Cross multiply
5,191,263.44x = 7,163,868.36 × 2,899,457.36 - Step 4: Simplify right side
5,191,263.44x = 20,771,330,842,473.13 - Step 5: Solve for x
x = 20,771,330,842,473.13/5,191,263.44 - Step 6: Final answer
x = 4,001,209.16
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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.