Finding the Fourth Proportional to 4,292,388.45, 6,434,580.47 and 1,450,513.17
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Solution
The fourth proportional to 4,292,388.45, 6,434,580.47 and 1,450,513.17 is: 2,174,417.30
Step by Step Solution
- Step 1: Write the proportion equation
4,292,388.45 : 6,434,580.47 = 1,450,513.17 : x - Step 2: Convert to fraction form
4,292,388.45/6,434,580.47 = 1,450,513.17/x - Step 3: Cross multiply
4,292,388.45x = 6,434,580.47 × 1,450,513.17 - Step 4: Simplify right side
4,292,388.45x = 9,333,443,707,907.22 - Step 5: Solve for x
x = 9,333,443,707,907.22/4,292,388.45 - Step 6: Final answer
x = 2,174,417.30
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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.