Finding the Fourth Proportional to 4,231,972.80, 6,348,542.40 and 1,535,644.80
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Solution
The fourth proportional to 4,231,972.80, 6,348,542.40 and 1,535,644.80 is: 2,303,678.82
Step by Step Solution
- Step 1: Write the proportion equation
4,231,972.80 : 6,348,542.40 = 1,535,644.80 : x - Step 2: Convert to fraction form
4,231,972.80/6,348,542.40 = 1,535,644.80/x - Step 3: Cross multiply
4,231,972.80x = 6,348,542.40 × 1,535,644.80 - Step 4: Simplify right side
4,231,972.80x = 9,749,106,124,139.52 - Step 5: Solve for x
x = 9,749,106,124,139.52/4,231,972.80 - Step 6: Final answer
x = 2,303,678.82
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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.