Finding the Fourth Proportional to 1,709,488.40, 2,564,232.60 and 1,310,907.65
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Solution
The fourth proportional to 1,709,488.40, 2,564,232.60 and 1,310,907.65 is: 1,966,361.48
Step by Step Solution
- Step 1: Write the proportion equation
1,709,488.40 : 2,564,232.60 = 1,310,907.65 : x - Step 2: Convert to fraction form
1,709,488.40/2,564,232.60 = 1,310,907.65/x - Step 3: Cross multiply
1,709,488.40x = 2,564,232.60 × 1,310,907.65 - Step 4: Simplify right side
1,709,488.40x = 3,361,472,131,719.39 - Step 5: Solve for x
x = 3,361,472,131,719.39/1,709,488.40 - Step 6: Final answer
x = 1,966,361.48
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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.