Finding the Fourth Proportional to 2,033,391.56, 2,803,779.36 and 1,297,360.76
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Solution
The fourth proportional to 2,033,391.56, 2,803,779.36 and 1,297,360.76 is: 1,788,889.75
Step by Step Solution
- Step 1: Write the proportion equation
2,033,391.56 : 2,803,779.36 = 1,297,360.76 : x - Step 2: Convert to fraction form
2,033,391.56/2,803,779.36 = 1,297,360.76/x - Step 3: Cross multiply
2,033,391.56x = 2,803,779.36 × 1,297,360.76 - Step 4: Simplify right side
2,033,391.56x = 3,637,513,321,361.91 - Step 5: Solve for x
x = 3,637,513,321,361.91/2,033,391.56 - Step 6: Final answer
x = 1,788,889.75
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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.