Finding the Fourth Proportional to 2,280,277.84, 3,145,412.36 and 1,505,915.80
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Solution
The fourth proportional to 2,280,277.84, 3,145,412.36 and 1,505,915.80 is: 2,077,258.34
Step by Step Solution
- Step 1: Write the proportion equation
2,280,277.84 : 3,145,412.36 = 1,505,915.80 : x - Step 2: Convert to fraction form
2,280,277.84/3,145,412.36 = 1,505,915.80/x - Step 3: Cross multiply
2,280,277.84x = 3,145,412.36 × 1,505,915.80 - Step 4: Simplify right side
2,280,277.84x = 4,736,726,170,439.29 - Step 5: Solve for x
x = 4,736,726,170,439.29/2,280,277.84 - Step 6: Final answer
x = 2,077,258.34
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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.