Finding the Fourth Proportional to 2,054,659.91, 2,834,787.98 and 1,239,113.03
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Solution
The fourth proportional to 2,054,659.91, 2,834,787.98 and 1,239,113.03 is: 1,709,588.39
Step by Step Solution
- Step 1: Write the proportion equation
2,054,659.91 : 2,834,787.98 = 1,239,113.03 : x - Step 2: Convert to fraction form
2,054,659.91/2,834,787.98 = 1,239,113.03/x - Step 3: Cross multiply
2,054,659.91x = 2,834,787.98 × 1,239,113.03 - Step 4: Simplify right side
2,054,659.91x = 3,512,622,712,229.22 - Step 5: Solve for x
x = 3,512,622,712,229.22/2,054,659.91 - Step 6: Final answer
x = 1,709,588.39
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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.