Finding the Fourth Proportional to 1,992,705.42, 2,749,854.24 and 1,177,170.99
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Solution
The fourth proportional to 1,992,705.42, 2,749,854.24 and 1,177,170.99 is: 1,624,449.16
Step by Step Solution
- Step 1: Write the proportion equation
1,992,705.42 : 2,749,854.24 = 1,177,170.99 : x - Step 2: Convert to fraction form
1,992,705.42/2,749,854.24 = 1,177,170.99/x - Step 3: Cross multiply
1,992,705.42x = 2,749,854.24 × 1,177,170.99 - Step 4: Simplify right side
1,992,705.42x = 3,237,048,638,056.50 - Step 5: Solve for x
x = 3,237,048,638,056.50/1,992,705.42 - Step 6: Final answer
x = 1,624,449.16
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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.