Finding the Fourth Proportional to 7,293,209.76, 10,939,821.12 and 1,901,854.08
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Solution
The fourth proportional to 7,293,209.76, 10,939,821.12 and 1,901,854.08 is: 2,852,782.81
Step by Step Solution
- Step 1: Write the proportion equation
7,293,209.76 : 10,939,821.12 = 1,901,854.08 : x - Step 2: Convert to fraction form
7,293,209.76/10,939,821.12 = 1,901,854.08/x - Step 3: Cross multiply
7,293,209.76x = 10,939,821.12 × 1,901,854.08 - Step 4: Simplify right side
7,293,209.76x = 20,805,943,431,542.17 - Step 5: Solve for x
x = 20,805,943,431,542.17/7,293,209.76 - Step 6: Final answer
x = 2,852,782.81
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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.