Finding the Fourth Proportional to 4,285,032.24, 6,423,029.28 and 1,405,647.12
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Solution
The fourth proportional to 4,285,032.24, 6,423,029.28 and 1,405,647.12 is: 2,106,988.26
Step by Step Solution
- Step 1: Write the proportion equation
4,285,032.24 : 6,423,029.28 = 1,405,647.12 : x - Step 2: Convert to fraction form
4,285,032.24/6,423,029.28 = 1,405,647.12/x - Step 3: Cross multiply
4,285,032.24x = 6,423,029.28 × 1,405,647.12 - Step 4: Simplify right side
4,285,032.24x = 9,028,512,609,107.67 - Step 5: Solve for x
x = 9,028,512,609,107.67/4,285,032.24 - Step 6: Final answer
x = 2,106,988.26
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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.