Finding the Fourth Proportional to 1,914,474.36, 2,642,029.98 and 1,055,089.98
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Solution
The fourth proportional to 1,914,474.36, 2,642,029.98 and 1,055,089.98 is: 1,456,054.68
Step by Step Solution
- Step 1: Write the proportion equation
1,914,474.36 : 2,642,029.98 = 1,055,089.98 : x - Step 2: Convert to fraction form
1,914,474.36/2,642,029.98 = 1,055,089.98/x - Step 3: Cross multiply
1,914,474.36x = 2,642,029.98 × 1,055,089.98 - Step 4: Simplify right side
1,914,474.36x = 2,787,579,358,757.60 - Step 5: Solve for x
x = 2,787,579,358,757.60/1,914,474.36 - Step 6: Final answer
x = 1,456,054.68
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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.