Finding the Fourth Proportional to 1,624,416.92, 2,240,991.48 and 979,478.81
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Solution
The fourth proportional to 1,624,416.92, 2,240,991.48 and 979,478.81 is: 1,351,256.34
Step by Step Solution
- Step 1: Write the proportion equation
1,624,416.92 : 2,240,991.48 = 979,478.81 : x - Step 2: Convert to fraction form
1,624,416.92/2,240,991.48 = 979,478.81/x - Step 3: Cross multiply
1,624,416.92x = 2,240,991.48 × 979,478.81 - Step 4: Simplify right side
1,624,416.92x = 2,195,003,668,050.54 - Step 5: Solve for x
x = 2,195,003,668,050.54/1,624,416.92 - Step 6: Final answer
x = 1,351,256.34
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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.