Finding the Fourth Proportional to 1,873,562.49, 2,585,522.70 and 1,014,122.52
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Solution
The fourth proportional to 1,873,562.49, 2,585,522.70 and 1,014,122.52 is: 1,399,492.58
Step by Step Solution
- Step 1: Write the proportion equation
1,873,562.49 : 2,585,522.70 = 1,014,122.52 : x - Step 2: Convert to fraction form
1,873,562.49/2,585,522.70 = 1,014,122.52/x - Step 3: Cross multiply
1,873,562.49x = 2,585,522.70 × 1,014,122.52 - Step 4: Simplify right side
1,873,562.49x = 2,622,036,796,041.20 - Step 5: Solve for x
x = 2,622,036,796,041.20/1,873,562.49 - Step 6: Final answer
x = 1,399,492.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.