Finding the Fourth Proportional to 2,118,074.36, 2,922,960.42 and 1,151,204.40
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Solution
The fourth proportional to 2,118,074.36, 2,922,960.42 and 1,151,204.40 is: 1,588,671.75
Step by Step Solution
- Step 1: Write the proportion equation
2,118,074.36 : 2,922,960.42 = 1,151,204.40 : x - Step 2: Convert to fraction form
2,118,074.36/2,922,960.42 = 1,151,204.40/x - Step 3: Cross multiply
2,118,074.36x = 2,922,960.42 × 1,151,204.40 - Step 4: Simplify right side
2,118,074.36x = 3,364,924,896,529.85 - Step 5: Solve for x
x = 3,364,924,896,529.85/2,118,074.36 - Step 6: Final answer
x = 1,588,671.75
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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.