Finding the Fourth Proportional to 1,522,509.16, 2,100,909.54 and 843,318.76
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Solution
The fourth proportional to 1,522,509.16, 2,100,909.54 and 843,318.76 is: 1,163,695.09
Step by Step Solution
- Step 1: Write the proportion equation
1,522,509.16 : 2,100,909.54 = 843,318.76 : x - Step 2: Convert to fraction form
1,522,509.16/2,100,909.54 = 843,318.76/x - Step 3: Cross multiply
1,522,509.16x = 2,100,909.54 × 843,318.76 - Step 4: Simplify right side
1,522,509.16x = 1,771,736,428,144.97 - Step 5: Solve for x
x = 1,771,736,428,144.97/1,522,509.16 - Step 6: Final answer
x = 1,163,695.09
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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.