Finding the Fourth Proportional to 6,018,417.65, 8,305,415.45 and 3,440,153.78
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Solution
The fourth proportional to 6,018,417.65, 8,305,415.45 and 3,440,153.78 is: 4,747,411.70
Step by Step Solution
- Step 1: Write the proportion equation
6,018,417.65 : 8,305,415.45 = 3,440,153.78 : x - Step 2: Convert to fraction form
6,018,417.65/8,305,415.45 = 3,440,153.78/x - Step 3: Cross multiply
6,018,417.65x = 8,305,415.45 × 3,440,153.78 - Step 4: Simplify right side
6,018,417.65x = 28,571,906,354,787.90 - Step 5: Solve for x
x = 28,571,906,354,787.90/6,018,417.65 - Step 6: Final answer
x = 4,747,411.70
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1.5x scale
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.