Finding the Fourth Proportional to 2,464,728.80, 3,688,901.20 and 1,788,888.80
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Solution
The fourth proportional to 2,464,728.80, 3,688,901.20 and 1,788,888.80 is: 2,677,387.48
Step by Step Solution
- Step 1: Write the proportion equation
2,464,728.80 : 3,688,901.20 = 1,788,888.80 : x - Step 2: Convert to fraction form
2,464,728.80/3,688,901.20 = 1,788,888.80/x - Step 3: Cross multiply
2,464,728.80x = 3,688,901.20 × 1,788,888.80 - Step 4: Simplify right side
2,464,728.80x = 6,599,034,040,986.56 - Step 5: Solve for x
x = 6,599,034,040,986.56/2,464,728.80 - Step 6: Final answer
x = 2,677,387.48
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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.