Finding the Fourth Proportional to 1,880,868.21, 2,596,392.36 and 1,269,848.31
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Solution
The fourth proportional to 1,880,868.21, 2,596,392.36 and 1,269,848.31 is: 1,752,926.88
Step by Step Solution
- Step 1: Write the proportion equation
1,880,868.21 : 2,596,392.36 = 1,269,848.31 : x - Step 2: Convert to fraction form
1,880,868.21/2,596,392.36 = 1,269,848.31/x - Step 3: Cross multiply
1,880,868.21x = 2,596,392.36 × 1,269,848.31 - Step 4: Simplify right side
1,880,868.21x = 3,297,024,450,442.91 - Step 5: Solve for x
x = 3,297,024,450,442.91/1,880,868.21 - Step 6: Final answer
x = 1,752,926.88
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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.