Finding the Fourth Proportional to 2,585,187.10, 3,878,362.14 and 788,252.21
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Solution
The fourth proportional to 2,585,187.10, 3,878,362.14 and 788,252.21 is: 1,182,555.62
Step by Step Solution
- Step 1: Write the proportion equation
2,585,187.10 : 3,878,362.14 = 788,252.21 : x - Step 2: Convert to fraction form
2,585,187.10/3,878,362.14 = 788,252.21/x - Step 3: Cross multiply
2,585,187.10x = 3,878,362.14 × 788,252.21 - Step 4: Simplify right side
2,585,187.10x = 3,057,127,528,035.33 - Step 5: Solve for x
x = 3,057,127,528,035.33/2,585,187.10 - Step 6: Final answer
x = 1,182,555.62
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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.