Finding the Fourth Proportional to 2,637,136.32, 3,639,319.68 and 1,491,388
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Solution
The fourth proportional to 2,637,136.32, 3,639,319.68 and 1,491,388 is: 2,058,155.91
Step by Step Solution
- Step 1: Write the proportion equation
2,637,136.32 : 3,639,319.68 = 1,491,388 : x - Step 2: Convert to fraction form
2,637,136.32/3,639,319.68 = 1,491,388/x - Step 3: Cross multiply
2,637,136.32x = 3,639,319.68 × 1,491,388 - Step 4: Simplify right side
2,637,136.32x = 5,427,637,698,915.84 - Step 5: Solve for x
x = 5,427,637,698,915.84/2,637,136.32 - Step 6: Final answer
x = 2,058,155.91
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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.