Finding the Fourth Proportional to 1,448,021.52, 1,999,149.84 and 1,125,122.40
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Solution
The fourth proportional to 1,448,021.52, 1,999,149.84 and 1,125,122.40 is: 1,553,352.79
Step by Step Solution
- Step 1: Write the proportion equation
1,448,021.52 : 1,999,149.84 = 1,125,122.40 : x - Step 2: Convert to fraction form
1,448,021.52/1,999,149.84 = 1,125,122.40/x - Step 3: Cross multiply
1,448,021.52x = 1,999,149.84 × 1,125,122.40 - Step 4: Simplify right side
1,448,021.52x = 2,249,288,265,940.42 - Step 5: Solve for x
x = 2,249,288,265,940.42/1,448,021.52 - Step 6: Final answer
x = 1,553,352.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.