Finding the Fourth Proportional to 4,200,787.81, 6,302,302.99 and 1,505,385.49
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Solution
The fourth proportional to 4,200,787.81, 6,302,302.99 and 1,505,385.49 is: 2,258,480.05
Step by Step Solution
- Step 1: Write the proportion equation
4,200,787.81 : 6,302,302.99 = 1,505,385.49 : x - Step 2: Convert to fraction form
4,200,787.81/6,302,302.99 = 1,505,385.49/x - Step 3: Cross multiply
4,200,787.81x = 6,302,302.99 × 1,505,385.49 - Step 4: Simplify right side
4,200,787.81x = 9,487,395,475,495.00 - Step 5: Solve for x
x = 9,487,395,475,495.00/4,200,787.81 - Step 6: Final answer
x = 2,258,480.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.