Finding the Fourth Proportional to 1,525,743.47, 2,289,358.80 and 627,455.09
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Solution
The fourth proportional to 1,525,743.47, 2,289,358.80 and 627,455.09 is: 941,488.43
Step by Step Solution
- Step 1: Write the proportion equation
1,525,743.47 : 2,289,358.80 = 627,455.09 : x - Step 2: Convert to fraction form
1,525,743.47/2,289,358.80 = 627,455.09/x - Step 3: Cross multiply
1,525,743.47x = 2,289,358.80 × 627,455.09 - Step 4: Simplify right side
1,525,743.47x = 1,436,469,820,449.50 - Step 5: Solve for x
x = 1,436,469,820,449.50/1,525,743.47 - Step 6: Final answer
x = 941,488.43
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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.